Home / 3,708.82-5,117.88-2,137.04

Finding the Fourth Proportional to 3,708.82, 5,117.88 and 2,137.04

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Solution

The fourth proportional to 3,708.82, 5,117.88 and 2,137.04 is: 2,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.82 : 5,117.88 = 2,137.04 : x
  2. Step 2: Convert to fraction form
    3,708.82/5,117.88 = 2,137.04/x
  3. Step 3: Cross multiply
    3,708.82x = 5,117.88 × 2,137.04
  4. Step 4: Simplify right side
    3,708.82x = 10,937,114.28
  5. Step 5: Solve for x
    x = 10,937,114.28/3,708.82
  6. Step 6: Final answer
    x = 2,948.95

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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.