Home / 3,251.61-4,487.25-1,854.45

Finding the Fourth Proportional to 3,251.61, 4,487.25 and 1,854.45

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Solution

The fourth proportional to 3,251.61, 4,487.25 and 1,854.45 is: 2,559.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.61 : 4,487.25 = 1,854.45 : x
  2. Step 2: Convert to fraction form
    3,251.61/4,487.25 = 1,854.45/x
  3. Step 3: Cross multiply
    3,251.61x = 4,487.25 × 1,854.45
  4. Step 4: Simplify right side
    3,251.61x = 8,321,380.76
  5. Step 5: Solve for x
    x = 8,321,380.76/3,251.61
  6. Step 6: Final answer
    x = 2,559.16

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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.