Home / 3,140.73-4,711.10-1,060.74

Finding the Fourth Proportional to 3,140.73, 4,711.10 and 1,060.74

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Solution

The fourth proportional to 3,140.73, 4,711.10 and 1,060.74 is: 1,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.73 : 4,711.10 = 1,060.74 : x
  2. Step 2: Convert to fraction form
    3,140.73/4,711.10 = 1,060.74/x
  3. Step 3: Cross multiply
    3,140.73x = 4,711.10 × 1,060.74
  4. Step 4: Simplify right side
    3,140.73x = 4,997,246.91
  5. Step 5: Solve for x
    x = 4,997,246.91/3,140.73
  6. Step 6: Final answer
    x = 1,591.11

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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.