Home / 3,182.22-4,382.57-2,564.39

Finding the Fourth Proportional to 3,182.22, 4,382.57 and 2,564.39

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Solution

The fourth proportional to 3,182.22, 4,382.57 and 2,564.39 is: 3,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.22 : 4,382.57 = 2,564.39 : x
  2. Step 2: Convert to fraction form
    3,182.22/4,382.57 = 2,564.39/x
  3. Step 3: Cross multiply
    3,182.22x = 4,382.57 × 2,564.39
  4. Step 4: Simplify right side
    3,182.22x = 11,238,636.05
  5. Step 5: Solve for x
    x = 11,238,636.05/3,182.22
  6. Step 6: Final answer
    x = 3,531.70

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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.