Home / 2,540.20-3,803.10-2,252.20

Finding the Fourth Proportional to 2,540.20, 3,803.10 and 2,252.20

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Solution

The fourth proportional to 2,540.20, 3,803.10 and 2,252.20 is: 3,371.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.20 : 3,803.10 = 2,252.20 : x
  2. Step 2: Convert to fraction form
    2,540.20/3,803.10 = 2,252.20/x
  3. Step 3: Cross multiply
    2,540.20x = 3,803.10 × 2,252.20
  4. Step 4: Simplify right side
    2,540.20x = 8,565,341.82
  5. Step 5: Solve for x
    x = 8,565,341.82/2,540.20
  6. Step 6: Final answer
    x = 3,371.92

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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.