Home / 3,247.22-4,478.22-2,127.75

Finding the Fourth Proportional to 3,247.22, 4,478.22 and 2,127.75

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Solution

The fourth proportional to 3,247.22, 4,478.22 and 2,127.75 is: 2,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.22 : 4,478.22 = 2,127.75 : x
  2. Step 2: Convert to fraction form
    3,247.22/4,478.22 = 2,127.75/x
  3. Step 3: Cross multiply
    3,247.22x = 4,478.22 × 2,127.75
  4. Step 4: Simplify right side
    3,247.22x = 9,528,513.43
  5. Step 5: Solve for x
    x = 9,528,513.43/3,247.22
  6. Step 6: Final answer
    x = 2,934.36

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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.