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Finding the Fourth Proportional to 736.97, 1,100.19 and 711.35

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Solution

The fourth proportional to 736.97, 1,100.19 and 711.35 is: 1,061.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.97 : 1,100.19 = 711.35 : x
  2. Step 2: Convert to fraction form
    736.97/1,100.19 = 711.35/x
  3. Step 3: Cross multiply
    736.97x = 1,100.19 × 711.35
  4. Step 4: Simplify right side
    736.97x = 782,616.60
  5. Step 5: Solve for x
    x = 782,616.60/736.97
  6. Step 6: Final answer
    x = 1,061.94

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.