Home / 2,701.25-4,045.49-2,112.13

Finding the Fourth Proportional to 2,701.25, 4,045.49 and 2,112.13

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Solution

The fourth proportional to 2,701.25, 4,045.49 and 2,112.13 is: 3,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.25 : 4,045.49 = 2,112.13 : x
  2. Step 2: Convert to fraction form
    2,701.25/4,045.49 = 2,112.13/x
  3. Step 3: Cross multiply
    2,701.25x = 4,045.49 × 2,112.13
  4. Step 4: Simplify right side
    2,701.25x = 8,544,600.79
  5. Step 5: Solve for x
    x = 8,544,600.79/2,701.25
  6. Step 6: Final answer
    x = 3,163.20

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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.