Home / 3,942.57-5,440.14-2,264.05

Finding the Fourth Proportional to 3,942.57, 5,440.14 and 2,264.05

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Solution

The fourth proportional to 3,942.57, 5,440.14 and 2,264.05 is: 3,124.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.57 : 5,440.14 = 2,264.05 : x
  2. Step 2: Convert to fraction form
    3,942.57/5,440.14 = 2,264.05/x
  3. Step 3: Cross multiply
    3,942.57x = 5,440.14 × 2,264.05
  4. Step 4: Simplify right side
    3,942.57x = 12,316,748.97
  5. Step 5: Solve for x
    x = 12,316,748.97/3,942.57
  6. Step 6: Final answer
    x = 3,124.04

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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.