Home / 2,686.59-4,029.48-1,043.91

Finding the Fourth Proportional to 2,686.59, 4,029.48 and 1,043.91

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Solution

The fourth proportional to 2,686.59, 4,029.48 and 1,043.91 is: 1,565.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.59 : 4,029.48 = 1,043.91 : x
  2. Step 2: Convert to fraction form
    2,686.59/4,029.48 = 1,043.91/x
  3. Step 3: Cross multiply
    2,686.59x = 4,029.48 × 1,043.91
  4. Step 4: Simplify right side
    2,686.59x = 4,206,414.47
  5. Step 5: Solve for x
    x = 4,206,414.47/2,686.59
  6. Step 6: Final answer
    x = 1,565.71

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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.