Home / 3,397.91-5,095.25-1,318.89

Finding the Fourth Proportional to 3,397.91, 5,095.25 and 1,318.89

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Solution

The fourth proportional to 3,397.91, 5,095.25 and 1,318.89 is: 1,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.91 : 5,095.25 = 1,318.89 : x
  2. Step 2: Convert to fraction form
    3,397.91/5,095.25 = 1,318.89/x
  3. Step 3: Cross multiply
    3,397.91x = 5,095.25 × 1,318.89
  4. Step 4: Simplify right side
    3,397.91x = 6,720,074.27
  5. Step 5: Solve for x
    x = 6,720,074.27/3,397.91
  6. Step 6: Final answer
    x = 1,977.71

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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.