Home / 3,275.79-4,520.26-1,949.24

Finding the Fourth Proportional to 3,275.79, 4,520.26 and 1,949.24

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Solution

The fourth proportional to 3,275.79, 4,520.26 and 1,949.24 is: 2,689.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.79 : 4,520.26 = 1,949.24 : x
  2. Step 2: Convert to fraction form
    3,275.79/4,520.26 = 1,949.24/x
  3. Step 3: Cross multiply
    3,275.79x = 4,520.26 × 1,949.24
  4. Step 4: Simplify right side
    3,275.79x = 8,811,061.66
  5. Step 5: Solve for x
    x = 8,811,061.66/3,275.79
  6. Step 6: Final answer
    x = 2,689.75

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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.