Home / 3,227.11-4,840.30-887.29

Finding the Fourth Proportional to 3,227.11, 4,840.30 and 887.29

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Solution

The fourth proportional to 3,227.11, 4,840.30 and 887.29 is: 1,330.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.11 : 4,840.30 = 887.29 : x
  2. Step 2: Convert to fraction form
    3,227.11/4,840.30 = 887.29/x
  3. Step 3: Cross multiply
    3,227.11x = 4,840.30 × 887.29
  4. Step 4: Simplify right side
    3,227.11x = 4,294,749.79
  5. Step 5: Solve for x
    x = 4,294,749.79/3,227.11
  6. Step 6: Final answer
    x = 1,330.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.