Home / 1,436.48-2,154.65-462.56

Finding the Fourth Proportional to 1,436.48, 2,154.65 and 462.56

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Solution

The fourth proportional to 1,436.48, 2,154.65 and 462.56 is: 693.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436.48 : 2,154.65 = 462.56 : x
  2. Step 2: Convert to fraction form
    1,436.48/2,154.65 = 462.56/x
  3. Step 3: Cross multiply
    1,436.48x = 2,154.65 × 462.56
  4. Step 4: Simplify right side
    1,436.48x = 996,654.90
  5. Step 5: Solve for x
    x = 996,654.90/1,436.48
  6. Step 6: Final answer
    x = 693.82

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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.