Home / 1,879.11-2,592.08-1,132.61

Finding the Fourth Proportional to 1,879.11, 2,592.08 and 1,132.61

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Solution

The fourth proportional to 1,879.11, 2,592.08 and 1,132.61 is: 1,562.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.11 : 2,592.08 = 1,132.61 : x
  2. Step 2: Convert to fraction form
    1,879.11/2,592.08 = 1,132.61/x
  3. Step 3: Cross multiply
    1,879.11x = 2,592.08 × 1,132.61
  4. Step 4: Simplify right side
    1,879.11x = 2,935,797.11
  5. Step 5: Solve for x
    x = 2,935,797.11/1,879.11
  6. Step 6: Final answer
    x = 1,562.33

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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.