Home / 3,397.14-5,095.15-931.38

Finding the Fourth Proportional to 3,397.14, 5,095.15 and 931.38

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Solution

The fourth proportional to 3,397.14, 5,095.15 and 931.38 is: 1,396.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.14 : 5,095.15 = 931.38 : x
  2. Step 2: Convert to fraction form
    3,397.14/5,095.15 = 931.38/x
  3. Step 3: Cross multiply
    3,397.14x = 5,095.15 × 931.38
  4. Step 4: Simplify right side
    3,397.14x = 4,745,495.33
  5. Step 5: Solve for x
    x = 4,745,495.33/3,397.14
  6. Step 6: Final answer
    x = 1,396.91

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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.