Home / 2,158.60-3,214.92-2,082.04

Finding the Fourth Proportional to 2,158.60, 3,214.92 and 2,082.04

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Solution

The fourth proportional to 2,158.60, 3,214.92 and 2,082.04 is: 3,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158.60 : 3,214.92 = 2,082.04 : x
  2. Step 2: Convert to fraction form
    2,158.60/3,214.92 = 2,082.04/x
  3. Step 3: Cross multiply
    2,158.60x = 3,214.92 × 2,082.04
  4. Step 4: Simplify right side
    2,158.60x = 6,693,592.04
  5. Step 5: Solve for x
    x = 6,693,592.04/2,158.60
  6. Step 6: Final answer
    x = 3,100.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.