Home / 2,469.20-3,695.16-1,545.20

Finding the Fourth Proportional to 2,469.20, 3,695.16 and 1,545.20

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Solution

The fourth proportional to 2,469.20, 3,695.16 and 1,545.20 is: 2,312.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469.20 : 3,695.16 = 1,545.20 : x
  2. Step 2: Convert to fraction form
    2,469.20/3,695.16 = 1,545.20/x
  3. Step 3: Cross multiply
    2,469.20x = 3,695.16 × 1,545.20
  4. Step 4: Simplify right side
    2,469.20x = 5,709,761.23
  5. Step 5: Solve for x
    x = 5,709,761.23/2,469.20
  6. Step 6: Final answer
    x = 2,312.39

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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.