Home / 3,251.13-4,490.27-2,201.37

Finding the Fourth Proportional to 3,251.13, 4,490.27 and 2,201.37

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Solution

The fourth proportional to 3,251.13, 4,490.27 and 2,201.37 is: 3,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.13 : 4,490.27 = 2,201.37 : x
  2. Step 2: Convert to fraction form
    3,251.13/4,490.27 = 2,201.37/x
  3. Step 3: Cross multiply
    3,251.13x = 4,490.27 × 2,201.37
  4. Step 4: Simplify right side
    3,251.13x = 9,884,745.67
  5. Step 5: Solve for x
    x = 9,884,745.67/3,251.13
  6. Step 6: Final answer
    x = 3,040.40

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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.