Home / 3,397.11-5,095.11-931.35

Finding the Fourth Proportional to 3,397.11, 5,095.11 and 931.35

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Solution

The fourth proportional to 3,397.11, 5,095.11 and 931.35 is: 1,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.11 : 5,095.11 = 931.35 : x
  2. Step 2: Convert to fraction form
    3,397.11/5,095.11 = 931.35/x
  3. Step 3: Cross multiply
    3,397.11x = 5,095.11 × 931.35
  4. Step 4: Simplify right side
    3,397.11x = 4,745,334.19
  5. Step 5: Solve for x
    x = 4,745,334.19/3,397.11
  6. Step 6: Final answer
    x = 1,396.88

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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.