Home / 2,763.25-4,138.49-2,517.21

Finding the Fourth Proportional to 2,763.25, 4,138.49 and 2,517.21

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Solution

The fourth proportional to 2,763.25, 4,138.49 and 2,517.21 is: 3,770.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.25 : 4,138.49 = 2,517.21 : x
  2. Step 2: Convert to fraction form
    2,763.25/4,138.49 = 2,517.21/x
  3. Step 3: Cross multiply
    2,763.25x = 4,138.49 × 2,517.21
  4. Step 4: Simplify right side
    2,763.25x = 10,417,454.71
  5. Step 5: Solve for x
    x = 10,417,454.71/2,763.25
  6. Step 6: Final answer
    x = 3,770.00

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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.