Home / 3,142.96-4,337.35-1,726.66

Finding the Fourth Proportional to 3,142.96, 4,337.35 and 1,726.66

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Solution

The fourth proportional to 3,142.96, 4,337.35 and 1,726.66 is: 2,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.96 : 4,337.35 = 1,726.66 : x
  2. Step 2: Convert to fraction form
    3,142.96/4,337.35 = 1,726.66/x
  3. Step 3: Cross multiply
    3,142.96x = 4,337.35 × 1,726.66
  4. Step 4: Simplify right side
    3,142.96x = 7,489,139.59
  5. Step 5: Solve for x
    x = 7,489,139.59/3,142.96
  6. Step 6: Final answer
    x = 2,382.83

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1.5x scale

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.