Home / 2,825.24-4,231.45-2,432.12

Finding the Fourth Proportional to 2,825.24, 4,231.45 and 2,432.12

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Solution

The fourth proportional to 2,825.24, 4,231.45 and 2,432.12 is: 3,642.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.24 : 4,231.45 = 2,432.12 : x
  2. Step 2: Convert to fraction form
    2,825.24/4,231.45 = 2,432.12/x
  3. Step 3: Cross multiply
    2,825.24x = 4,231.45 × 2,432.12
  4. Step 4: Simplify right side
    2,825.24x = 10,291,382.01
  5. Step 5: Solve for x
    x = 10,291,382.01/2,825.24
  6. Step 6: Final answer
    x = 3,642.66

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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.