Home / 3,221.11-4,853.60-2,648.93

Finding the Fourth Proportional to 3,221.11, 4,853.60 and 2,648.93

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Solution

The fourth proportional to 3,221.11, 4,853.60 and 2,648.93 is: 3,991.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.11 : 4,853.60 = 2,648.93 : x
  2. Step 2: Convert to fraction form
    3,221.11/4,853.60 = 2,648.93/x
  3. Step 3: Cross multiply
    3,221.11x = 4,853.60 × 2,648.93
  4. Step 4: Simplify right side
    3,221.11x = 12,856,837.38
  5. Step 5: Solve for x
    x = 12,856,837.38/3,221.11
  6. Step 6: Final answer
    x = 3,991.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.