Home / 3,217.60-4,439.71-1,891.58

Finding the Fourth Proportional to 3,217.60, 4,439.71 and 1,891.58

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Solution

The fourth proportional to 3,217.60, 4,439.71 and 1,891.58 is: 2,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.60 : 4,439.71 = 1,891.58 : x
  2. Step 2: Convert to fraction form
    3,217.60/4,439.71 = 1,891.58/x
  3. Step 3: Cross multiply
    3,217.60x = 4,439.71 × 1,891.58
  4. Step 4: Simplify right side
    3,217.60x = 8,398,066.64
  5. Step 5: Solve for x
    x = 8,398,066.64/3,217.60
  6. Step 6: Final answer
    x = 2,610.04

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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.