Home / 1,589.46-2,382.69-1,101.90

Finding the Fourth Proportional to 1,589.46, 2,382.69 and 1,101.90

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Solution

The fourth proportional to 1,589.46, 2,382.69 and 1,101.90 is: 1,651.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.46 : 2,382.69 = 1,101.90 : x
  2. Step 2: Convert to fraction form
    1,589.46/2,382.69 = 1,101.90/x
  3. Step 3: Cross multiply
    1,589.46x = 2,382.69 × 1,101.90
  4. Step 4: Simplify right side
    1,589.46x = 2,625,486.11
  5. Step 5: Solve for x
    x = 2,625,486.11/1,589.46
  6. Step 6: Final answer
    x = 1,651.81

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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.