Home / 1,524.97-2,287.45-429.42

Finding the Fourth Proportional to 1,524.97, 2,287.45 and 429.42

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Solution

The fourth proportional to 1,524.97, 2,287.45 and 429.42 is: 644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.97 : 2,287.45 = 429.42 : x
  2. Step 2: Convert to fraction form
    1,524.97/2,287.45 = 429.42/x
  3. Step 3: Cross multiply
    1,524.97x = 2,287.45 × 429.42
  4. Step 4: Simplify right side
    1,524.97x = 982,276.78
  5. Step 5: Solve for x
    x = 982,276.78/1,524.97
  6. Step 6: Final answer
    x = 644.13

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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.