Home / 3,364.68-5,028.45-2,489.04

Finding the Fourth Proportional to 3,364.68, 5,028.45 and 2,489.04

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Solution

The fourth proportional to 3,364.68, 5,028.45 and 2,489.04 is: 3,719.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.68 : 5,028.45 = 2,489.04 : x
  2. Step 2: Convert to fraction form
    3,364.68/5,028.45 = 2,489.04/x
  3. Step 3: Cross multiply
    3,364.68x = 5,028.45 × 2,489.04
  4. Step 4: Simplify right side
    3,364.68x = 12,516,013.19
  5. Step 5: Solve for x
    x = 12,516,013.19/3,364.68
  6. Step 6: Final answer
    x = 3,719.82

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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.