Home / 2,494.31-3,442.16-1,375.28

Finding the Fourth Proportional to 2,494.31, 3,442.16 and 1,375.28

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Solution

The fourth proportional to 2,494.31, 3,442.16 and 1,375.28 is: 1,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,494.31 : 3,442.16 = 1,375.28 : x
  2. Step 2: Convert to fraction form
    2,494.31/3,442.16 = 1,375.28/x
  3. Step 3: Cross multiply
    2,494.31x = 3,442.16 × 1,375.28
  4. Step 4: Simplify right side
    2,494.31x = 4,733,950.36
  5. Step 5: Solve for x
    x = 4,733,950.36/2,494.31
  6. Step 6: Final answer
    x = 1,897.90

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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.