Home / 3,282.24-4,531.52-2,165.12

Finding the Fourth Proportional to 3,282.24, 4,531.52 and 2,165.12

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Solution

The fourth proportional to 3,282.24, 4,531.52 and 2,165.12 is: 2,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.24 : 4,531.52 = 2,165.12 : x
  2. Step 2: Convert to fraction form
    3,282.24/4,531.52 = 2,165.12/x
  3. Step 3: Cross multiply
    3,282.24x = 4,531.52 × 2,165.12
  4. Step 4: Simplify right side
    3,282.24x = 9,811,284.58
  5. Step 5: Solve for x
    x = 9,811,284.58/3,282.24
  6. Step 6: Final answer
    x = 2,989.20

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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.