Home / 1,436.25-2,154.17-462.23

Finding the Fourth Proportional to 1,436.25, 2,154.17 and 462.23

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Solution

The fourth proportional to 1,436.25, 2,154.17 and 462.23 is: 693.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436.25 : 2,154.17 = 462.23 : x
  2. Step 2: Convert to fraction form
    1,436.25/2,154.17 = 462.23/x
  3. Step 3: Cross multiply
    1,436.25x = 2,154.17 × 462.23
  4. Step 4: Simplify right side
    1,436.25x = 995,711.23
  5. Step 5: Solve for x
    x = 995,711.23/1,436.25
  6. Step 6: Final answer
    x = 693.27

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Double scale
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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.