Home / 3,253.81-4,490.25-1,761.74

Finding the Fourth Proportional to 3,253.81, 4,490.25 and 1,761.74

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Solution

The fourth proportional to 3,253.81, 4,490.25 and 1,761.74 is: 2,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.81 : 4,490.25 = 1,761.74 : x
  2. Step 2: Convert to fraction form
    3,253.81/4,490.25 = 1,761.74/x
  3. Step 3: Cross multiply
    3,253.81x = 4,490.25 × 1,761.74
  4. Step 4: Simplify right side
    3,253.81x = 7,910,630.58
  5. Step 5: Solve for x
    x = 7,910,630.58/3,253.81
  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.