Home / 3,108.30-4,659.30-1,545.90

Finding the Fourth Proportional to 3,108.30, 4,659.30 and 1,545.90

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Solution

The fourth proportional to 3,108.30, 4,659.30 and 1,545.90 is: 2,317.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.30 : 4,659.30 = 1,545.90 : x
  2. Step 2: Convert to fraction form
    3,108.30/4,659.30 = 1,545.90/x
  3. Step 3: Cross multiply
    3,108.30x = 4,659.30 × 1,545.90
  4. Step 4: Simplify right side
    3,108.30x = 7,202,811.87
  5. Step 5: Solve for x
    x = 7,202,811.87/3,108.30
  6. Step 6: Final answer
    x = 2,317.28

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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.