Home / 3,731.93-5,148.83-2,158.91

Finding the Fourth Proportional to 3,731.93, 5,148.83 and 2,158.91

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Solution

The fourth proportional to 3,731.93, 5,148.83 and 2,158.91 is: 2,978.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.93 : 5,148.83 = 2,158.91 : x
  2. Step 2: Convert to fraction form
    3,731.93/5,148.83 = 2,158.91/x
  3. Step 3: Cross multiply
    3,731.93x = 5,148.83 × 2,158.91
  4. Step 4: Simplify right side
    3,731.93x = 11,115,860.58
  5. Step 5: Solve for x
    x = 11,115,860.58/3,731.93
  6. Step 6: Final answer
    x = 2,978.58

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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.