Home / 3,426.52-4,726.85-2,081.77

Finding the Fourth Proportional to 3,426.52, 4,726.85 and 2,081.77

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Solution

The fourth proportional to 3,426.52, 4,726.85 and 2,081.77 is: 2,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.52 : 4,726.85 = 2,081.77 : x
  2. Step 2: Convert to fraction form
    3,426.52/4,726.85 = 2,081.77/x
  3. Step 3: Cross multiply
    3,426.52x = 4,726.85 × 2,081.77
  4. Step 4: Simplify right side
    3,426.52x = 9,840,207.91
  5. Step 5: Solve for x
    x = 9,840,207.91/3,426.52
  6. Step 6: Final answer
    x = 2,871.78

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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.