Home / 3,731.26-5,148.82-2,159.46

Finding the Fourth Proportional to 3,731.26, 5,148.82 and 2,159.46

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Solution

The fourth proportional to 3,731.26, 5,148.82 and 2,159.46 is: 2,979.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.26 : 5,148.82 = 2,159.46 : x
  2. Step 2: Convert to fraction form
    3,731.26/5,148.82 = 2,159.46/x
  3. Step 3: Cross multiply
    3,731.26x = 5,148.82 × 2,159.46
  4. Step 4: Simplify right side
    3,731.26x = 11,118,670.84
  5. Step 5: Solve for x
    x = 11,118,670.84/3,731.26
  6. Step 6: Final answer
    x = 2,979.87

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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.