Home / 3,205.26-4,425.30-2,617.20

Finding the Fourth Proportional to 3,205.26, 4,425.30 and 2,617.20

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Solution

The fourth proportional to 3,205.26, 4,425.30 and 2,617.20 is: 3,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.26 : 4,425.30 = 2,617.20 : x
  2. Step 2: Convert to fraction form
    3,205.26/4,425.30 = 2,617.20/x
  3. Step 3: Cross multiply
    3,205.26x = 4,425.30 × 2,617.20
  4. Step 4: Simplify right side
    3,205.26x = 11,581,895.16
  5. Step 5: Solve for x
    x = 11,581,895.16/3,205.26
  6. Step 6: Final answer
    x = 3,613.40

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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.