Home / 3,217.34-4,439.98-1,891.08

Finding the Fourth Proportional to 3,217.34, 4,439.98 and 1,891.08

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Solution

The fourth proportional to 3,217.34, 4,439.98 and 1,891.08 is: 2,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.34 : 4,439.98 = 1,891.08 : x
  2. Step 2: Convert to fraction form
    3,217.34/4,439.98 = 1,891.08/x
  3. Step 3: Cross multiply
    3,217.34x = 4,439.98 × 1,891.08
  4. Step 4: Simplify right side
    3,217.34x = 8,396,357.38
  5. Step 5: Solve for x
    x = 8,396,357.38/3,217.34
  6. Step 6: Final answer
    x = 2,609.72

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Double scale
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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.