Home / 3,188.22-4,397.31-2,306.94

Finding the Fourth Proportional to 3,188.22, 4,397.31 and 2,306.94

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Solution

The fourth proportional to 3,188.22, 4,397.31 and 2,306.94 is: 3,181.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.22 : 4,397.31 = 2,306.94 : x
  2. Step 2: Convert to fraction form
    3,188.22/4,397.31 = 2,306.94/x
  3. Step 3: Cross multiply
    3,188.22x = 4,397.31 × 2,306.94
  4. Step 4: Simplify right side
    3,188.22x = 10,144,330.33
  5. Step 5: Solve for x
    x = 10,144,330.33/3,188.22
  6. Step 6: Final answer
    x = 3,181.82

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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.