Home / 1,624.18-2,432.62-1,139.39

Finding the Fourth Proportional to 1,624.18, 2,432.62 and 1,139.39

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Solution

The fourth proportional to 1,624.18, 2,432.62 and 1,139.39 is: 1,706.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.18 : 2,432.62 = 1,139.39 : x
  2. Step 2: Convert to fraction form
    1,624.18/2,432.62 = 1,139.39/x
  3. Step 3: Cross multiply
    1,624.18x = 2,432.62 × 1,139.39
  4. Step 4: Simplify right side
    1,624.18x = 2,771,702.90
  5. Step 5: Solve for x
    x = 2,771,702.90/1,624.18
  6. Step 6: Final answer
    x = 1,706.52

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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.