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Finding the Fourth Proportional to 1,895.50, 2,844.26 and 800.62

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Solution

The fourth proportional to 1,895.50, 2,844.26 and 800.62 is: 1,201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.50 : 2,844.26 = 800.62 : x
  2. Step 2: Convert to fraction form
    1,895.50/2,844.26 = 800.62/x
  3. Step 3: Cross multiply
    1,895.50x = 2,844.26 × 800.62
  4. Step 4: Simplify right side
    1,895.50x = 2,277,153.22
  5. Step 5: Solve for x
    x = 2,277,153.22/1,895.50
  6. Step 6: Final answer
    x = 1,201.35

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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.