Home / 3,139.90-4,704.45-2,043.70

Finding the Fourth Proportional to 3,139.90, 4,704.45 and 2,043.70

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Solution

The fourth proportional to 3,139.90, 4,704.45 and 2,043.70 is: 3,062.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.90 : 4,704.45 = 2,043.70 : x
  2. Step 2: Convert to fraction form
    3,139.90/4,704.45 = 2,043.70/x
  3. Step 3: Cross multiply
    3,139.90x = 4,704.45 × 2,043.70
  4. Step 4: Simplify right side
    3,139.90x = 9,614,484.47
  5. Step 5: Solve for x
    x = 9,614,484.47/3,139.90
  6. Step 6: Final answer
    x = 3,062.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.