Home / 1,436.13-2,154.51-462.24

Finding the Fourth Proportional to 1,436.13, 2,154.51 and 462.24

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Solution

The fourth proportional to 1,436.13, 2,154.51 and 462.24 is: 693.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436.13 : 2,154.51 = 462.24 : x
  2. Step 2: Convert to fraction form
    1,436.13/2,154.51 = 462.24/x
  3. Step 3: Cross multiply
    1,436.13x = 2,154.51 × 462.24
  4. Step 4: Simplify right side
    1,436.13x = 995,900.70
  5. Step 5: Solve for x
    x = 995,900.70/1,436.13
  6. Step 6: Final answer
    x = 693.46

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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.