Home / 2,885.75-3,982.33-1,627.11

Finding the Fourth Proportional to 2,885.75, 3,982.33 and 1,627.11

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Solution

The fourth proportional to 2,885.75, 3,982.33 and 1,627.11 is: 2,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.75 : 3,982.33 = 1,627.11 : x
  2. Step 2: Convert to fraction form
    2,885.75/3,982.33 = 1,627.11/x
  3. Step 3: Cross multiply
    2,885.75x = 3,982.33 × 1,627.11
  4. Step 4: Simplify right side
    2,885.75x = 6,479,691.00
  5. Step 5: Solve for x
    x = 6,479,691.00/2,885.75
  6. Step 6: Final answer
    x = 2,245.41

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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.