Home / 3,691.75-5,537.93-2,656.57

Finding the Fourth Proportional to 3,691.75, 5,537.93 and 2,656.57

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Solution

The fourth proportional to 3,691.75, 5,537.93 and 2,656.57 is: 3,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.75 : 5,537.93 = 2,656.57 : x
  2. Step 2: Convert to fraction form
    3,691.75/5,537.93 = 2,656.57/x
  3. Step 3: Cross multiply
    3,691.75x = 5,537.93 × 2,656.57
  4. Step 4: Simplify right side
    3,691.75x = 14,711,898.70
  5. Step 5: Solve for x
    x = 14,711,898.70/3,691.75
  6. Step 6: Final answer
    x = 3,985.07

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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.