Home / 3,713.84-5,124.76-2,142.04

Finding the Fourth Proportional to 3,713.84, 5,124.76 and 2,142.04

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Solution

The fourth proportional to 3,713.84, 5,124.76 and 2,142.04 is: 2,955.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.84 : 5,124.76 = 2,142.04 : x
  2. Step 2: Convert to fraction form
    3,713.84/5,124.76 = 2,142.04/x
  3. Step 3: Cross multiply
    3,713.84x = 5,124.76 × 2,142.04
  4. Step 4: Simplify right side
    3,713.84x = 10,977,440.91
  5. Step 5: Solve for x
    x = 10,977,440.91/3,713.84
  6. Step 6: Final answer
    x = 2,955.82

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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.