Home / 3,265.70-4,891.35-2,617.70

Finding the Fourth Proportional to 3,265.70, 4,891.35 and 2,617.70

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Solution

The fourth proportional to 3,265.70, 4,891.35 and 2,617.70 is: 3,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.70 : 4,891.35 = 2,617.70 : x
  2. Step 2: Convert to fraction form
    3,265.70/4,891.35 = 2,617.70/x
  3. Step 3: Cross multiply
    3,265.70x = 4,891.35 × 2,617.70
  4. Step 4: Simplify right side
    3,265.70x = 12,804,086.90
  5. Step 5: Solve for x
    x = 12,804,086.90/3,265.70
  6. Step 6: Final answer
    x = 3,920.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.