Home / 3,161.32-4,360.72-2,040.48

Finding the Fourth Proportional to 3,161.32, 4,360.72 and 2,040.48

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Solution

The fourth proportional to 3,161.32, 4,360.72 and 2,040.48 is: 2,814.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.32 : 4,360.72 = 2,040.48 : x
  2. Step 2: Convert to fraction form
    3,161.32/4,360.72 = 2,040.48/x
  3. Step 3: Cross multiply
    3,161.32x = 4,360.72 × 2,040.48
  4. Step 4: Simplify right side
    3,161.32x = 8,897,961.95
  5. Step 5: Solve for x
    x = 8,897,961.95/3,161.32
  6. Step 6: Final answer
    x = 2,814.64

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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.