Home / 3,731.85-5,149.88-2,030.31

Finding the Fourth Proportional to 3,731.85, 5,149.88 and 2,030.31

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Solution

The fourth proportional to 3,731.85, 5,149.88 and 2,030.31 is: 2,801.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.85 : 5,149.88 = 2,030.31 : x
  2. Step 2: Convert to fraction form
    3,731.85/5,149.88 = 2,030.31/x
  3. Step 3: Cross multiply
    3,731.85x = 5,149.88 × 2,030.31
  4. Step 4: Simplify right side
    3,731.85x = 10,455,842.71
  5. Step 5: Solve for x
    x = 10,455,842.71/3,731.85
  6. Step 6: Final answer
    x = 2,801.79

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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.