Home / 3,251.66-4,486.46-1,925.78

Finding the Fourth Proportional to 3,251.66, 4,486.46 and 1,925.78

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Solution

The fourth proportional to 3,251.66, 4,486.46 and 1,925.78 is: 2,657.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.66 : 4,486.46 = 1,925.78 : x
  2. Step 2: Convert to fraction form
    3,251.66/4,486.46 = 1,925.78/x
  3. Step 3: Cross multiply
    3,251.66x = 4,486.46 × 1,925.78
  4. Step 4: Simplify right side
    3,251.66x = 8,639,902.88
  5. Step 5: Solve for x
    x = 8,639,902.88/3,251.66
  6. Step 6: Final answer
    x = 2,657.08

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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.