Home / 2,750.38-4,115.22-1,930.26

Finding the Fourth Proportional to 2,750.38, 4,115.22 and 1,930.26

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Solution

The fourth proportional to 2,750.38, 4,115.22 and 1,930.26 is: 2,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.38 : 4,115.22 = 1,930.26 : x
  2. Step 2: Convert to fraction form
    2,750.38/4,115.22 = 1,930.26/x
  3. Step 3: Cross multiply
    2,750.38x = 4,115.22 × 1,930.26
  4. Step 4: Simplify right side
    2,750.38x = 7,943,444.56
  5. Step 5: Solve for x
    x = 7,943,444.56/2,750.38
  6. Step 6: Final answer
    x = 2,888.13

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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.