Home / 3,439.68-5,161.14-1,708.08

Finding the Fourth Proportional to 3,439.68, 5,161.14 and 1,708.08

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Solution

The fourth proportional to 3,439.68, 5,161.14 and 1,708.08 is: 2,562.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.68 : 5,161.14 = 1,708.08 : x
  2. Step 2: Convert to fraction form
    3,439.68/5,161.14 = 1,708.08/x
  3. Step 3: Cross multiply
    3,439.68x = 5,161.14 × 1,708.08
  4. Step 4: Simplify right side
    3,439.68x = 8,815,640.01
  5. Step 5: Solve for x
    x = 8,815,640.01/3,439.68
  6. Step 6: Final answer
    x = 2,562.92

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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.