Home / 3,253.86-4,490.28-1,761.75

Finding the Fourth Proportional to 3,253.86, 4,490.28 and 1,761.75

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Solution

The fourth proportional to 3,253.86, 4,490.28 and 1,761.75 is: 2,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.86 : 4,490.28 = 1,761.75 : x
  2. Step 2: Convert to fraction form
    3,253.86/4,490.28 = 1,761.75/x
  3. Step 3: Cross multiply
    3,253.86x = 4,490.28 × 1,761.75
  4. Step 4: Simplify right side
    3,253.86x = 7,910,750.79
  5. Step 5: Solve for x
    x = 7,910,750.79/3,253.86
  6. Step 6: Final answer
    x = 2,431.19

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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.