Home / 2,199.62-3,298.50-1,158.97

Finding the Fourth Proportional to 2,199.62, 3,298.50 and 1,158.97

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Solution

The fourth proportional to 2,199.62, 3,298.50 and 1,158.97 is: 1,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.62 : 3,298.50 = 1,158.97 : x
  2. Step 2: Convert to fraction form
    2,199.62/3,298.50 = 1,158.97/x
  3. Step 3: Cross multiply
    2,199.62x = 3,298.50 × 1,158.97
  4. Step 4: Simplify right side
    2,199.62x = 3,822,862.55
  5. Step 5: Solve for x
    x = 3,822,862.55/2,199.62
  6. Step 6: Final answer
    x = 1,737.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.