Home / 3,188.20-4,397.22-2,348.44

Finding the Fourth Proportional to 3,188.20, 4,397.22 and 2,348.44

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Solution

The fourth proportional to 3,188.20, 4,397.22 and 2,348.44 is: 3,239.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.20 : 4,397.22 = 2,348.44 : x
  2. Step 2: Convert to fraction form
    3,188.20/4,397.22 = 2,348.44/x
  3. Step 3: Cross multiply
    3,188.20x = 4,397.22 × 2,348.44
  4. Step 4: Simplify right side
    3,188.20x = 10,326,607.34
  5. Step 5: Solve for x
    x = 10,326,607.34/3,188.20
  6. Step 6: Final answer
    x = 3,239.01

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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.