Home / 1,374.62-2,059.50-1,142.15

Finding the Fourth Proportional to 1,374.62, 2,059.50 and 1,142.15

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Solution

The fourth proportional to 1,374.62, 2,059.50 and 1,142.15 is: 1,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374.62 : 2,059.50 = 1,142.15 : x
  2. Step 2: Convert to fraction form
    1,374.62/2,059.50 = 1,142.15/x
  3. Step 3: Cross multiply
    1,374.62x = 2,059.50 × 1,142.15
  4. Step 4: Simplify right side
    1,374.62x = 2,352,257.93
  5. Step 5: Solve for x
    x = 2,352,257.93/1,374.62
  6. Step 6: Final answer
    x = 1,711.21

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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.