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Finding the Fourth Proportional to 2,762.50, 4,143.75 and 1,944.42

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Solution

The fourth proportional to 2,762.50, 4,143.75 and 1,944.42 is: 2,916.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.50 : 4,143.75 = 1,944.42 : x
  2. Step 2: Convert to fraction form
    2,762.50/4,143.75 = 1,944.42/x
  3. Step 3: Cross multiply
    2,762.50x = 4,143.75 × 1,944.42
  4. Step 4: Simplify right side
    2,762.50x = 8,057,180.65
  5. Step 5: Solve for x
    x = 8,057,180.65/2,762.50
  6. Step 6: Final answer
    x = 2,916.63

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.