Home / 3,371.85-4,654.87-2,113.65

Finding the Fourth Proportional to 3,371.85, 4,654.87 and 2,113.65

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Solution

The fourth proportional to 3,371.85, 4,654.87 and 2,113.65 is: 2,917.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.85 : 4,654.87 = 2,113.65 : x
  2. Step 2: Convert to fraction form
    3,371.85/4,654.87 = 2,113.65/x
  3. Step 3: Cross multiply
    3,371.85x = 4,654.87 × 2,113.65
  4. Step 4: Simplify right side
    3,371.85x = 9,838,760.69
  5. Step 5: Solve for x
    x = 9,838,760.69/3,371.85
  6. Step 6: Final answer
    x = 2,917.91

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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.