Home / 3,397.31-5,088.43-2,611.53

Finding the Fourth Proportional to 3,397.31, 5,088.43 and 2,611.53

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Solution

The fourth proportional to 3,397.31, 5,088.43 and 2,611.53 is: 3,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.31 : 5,088.43 = 2,611.53 : x
  2. Step 2: Convert to fraction form
    3,397.31/5,088.43 = 2,611.53/x
  3. Step 3: Cross multiply
    3,397.31x = 5,088.43 × 2,611.53
  4. Step 4: Simplify right side
    3,397.31x = 13,288,590.86
  5. Step 5: Solve for x
    x = 13,288,590.86/3,397.31
  6. Step 6: Final answer
    x = 3,911.51

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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.