Home / 1,761.10-2,432.36-1,170.61

Finding the Fourth Proportional to 1,761.10, 2,432.36 and 1,170.61

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Solution

The fourth proportional to 1,761.10, 2,432.36 and 1,170.61 is: 1,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761.10 : 2,432.36 = 1,170.61 : x
  2. Step 2: Convert to fraction form
    1,761.10/2,432.36 = 1,170.61/x
  3. Step 3: Cross multiply
    1,761.10x = 2,432.36 × 1,170.61
  4. Step 4: Simplify right side
    1,761.10x = 2,847,344.94
  5. Step 5: Solve for x
    x = 2,847,344.94/1,761.10
  6. Step 6: Final answer
    x = 1,616.80

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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.