Home / 1,731.11-2,385.97-1,162.91

Finding the Fourth Proportional to 1,731.11, 2,385.97 and 1,162.91

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Solution

The fourth proportional to 1,731.11, 2,385.97 and 1,162.91 is: 1,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.11 : 2,385.97 = 1,162.91 : x
  2. Step 2: Convert to fraction form
    1,731.11/2,385.97 = 1,162.91/x
  3. Step 3: Cross multiply
    1,731.11x = 2,385.97 × 1,162.91
  4. Step 4: Simplify right side
    1,731.11x = 2,774,671.43
  5. Step 5: Solve for x
    x = 2,774,671.43/1,731.11
  6. Step 6: Final answer
    x = 1,602.83

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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.