Home / 3,947.18-5,920.76-1,350.14

Finding the Fourth Proportional to 3,947.18, 5,920.76 and 1,350.14

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Solution

The fourth proportional to 3,947.18, 5,920.76 and 1,350.14 is: 2,025.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.18 : 5,920.76 = 1,350.14 : x
  2. Step 2: Convert to fraction form
    3,947.18/5,920.76 = 1,350.14/x
  3. Step 3: Cross multiply
    3,947.18x = 5,920.76 × 1,350.14
  4. Step 4: Simplify right side
    3,947.18x = 7,993,854.91
  5. Step 5: Solve for x
    x = 7,993,854.91/3,947.18
  6. Step 6: Final answer
    x = 2,025.21

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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.