Home / 1,524.19-2,285.71-743.96

Finding the Fourth Proportional to 1,524.19, 2,285.71 and 743.96

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Solution

The fourth proportional to 1,524.19, 2,285.71 and 743.96 is: 1,115.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.19 : 2,285.71 = 743.96 : x
  2. Step 2: Convert to fraction form
    1,524.19/2,285.71 = 743.96/x
  3. Step 3: Cross multiply
    1,524.19x = 2,285.71 × 743.96
  4. Step 4: Simplify right side
    1,524.19x = 1,700,476.81
  5. Step 5: Solve for x
    x = 1,700,476.81/1,524.19
  6. Step 6: Final answer
    x = 1,115.66

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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.