Home / 3,561.54-4,909.05-2,382.18

Finding the Fourth Proportional to 3,561.54, 4,909.05 and 2,382.18

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Solution

The fourth proportional to 3,561.54, 4,909.05 and 2,382.18 is: 3,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.54 : 4,909.05 = 2,382.18 : x
  2. Step 2: Convert to fraction form
    3,561.54/4,909.05 = 2,382.18/x
  3. Step 3: Cross multiply
    3,561.54x = 4,909.05 × 2,382.18
  4. Step 4: Simplify right side
    3,561.54x = 11,694,240.73
  5. Step 5: Solve for x
    x = 11,694,240.73/3,561.54
  6. Step 6: Final answer
    x = 3,283.48

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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.