Home / 3,691.41-5,091.93-2,695.47

Finding the Fourth Proportional to 3,691.41, 5,091.93 and 2,695.47

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Solution

The fourth proportional to 3,691.41, 5,091.93 and 2,695.47 is: 3,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.41 : 5,091.93 = 2,695.47 : x
  2. Step 2: Convert to fraction form
    3,691.41/5,091.93 = 2,695.47/x
  3. Step 3: Cross multiply
    3,691.41x = 5,091.93 × 2,695.47
  4. Step 4: Simplify right side
    3,691.41x = 13,725,144.56
  5. Step 5: Solve for x
    x = 13,725,144.56/3,691.41
  6. Step 6: Final answer
    x = 3,718.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.