Home / 3,912.57-5,399.46-2,341.17

Finding the Fourth Proportional to 3,912.57, 5,399.46 and 2,341.17

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Solution

The fourth proportional to 3,912.57, 5,399.46 and 2,341.17 is: 3,230.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.57 : 5,399.46 = 2,341.17 : x
  2. Step 2: Convert to fraction form
    3,912.57/5,399.46 = 2,341.17/x
  3. Step 3: Cross multiply
    3,912.57x = 5,399.46 × 2,341.17
  4. Step 4: Simplify right side
    3,912.57x = 12,641,053.77
  5. Step 5: Solve for x
    x = 12,641,053.77/3,912.57
  6. Step 6: Final answer
    x = 3,230.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.