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Finding the Fourth Proportional to 1,349.55, 2,024.78 and 887.55

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Solution

The fourth proportional to 1,349.55, 2,024.78 and 887.55 is: 1,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.55 : 2,024.78 = 887.55 : x
  2. Step 2: Convert to fraction form
    1,349.55/2,024.78 = 887.55/x
  3. Step 3: Cross multiply
    1,349.55x = 2,024.78 × 887.55
  4. Step 4: Simplify right side
    1,349.55x = 1,797,093.49
  5. Step 5: Solve for x
    x = 1,797,093.49/1,349.55
  6. Step 6: Final answer
    x = 1,331.62

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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.