Home / 3,138.44-4,689.60-2,393.96

Finding the Fourth Proportional to 3,138.44, 4,689.60 and 2,393.96

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Solution

The fourth proportional to 3,138.44, 4,689.60 and 2,393.96 is: 3,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138.44 : 4,689.60 = 2,393.96 : x
  2. Step 2: Convert to fraction form
    3,138.44/4,689.60 = 2,393.96/x
  3. Step 3: Cross multiply
    3,138.44x = 4,689.60 × 2,393.96
  4. Step 4: Simplify right side
    3,138.44x = 11,226,714.82
  5. Step 5: Solve for x
    x = 11,226,714.82/3,138.44
  6. Step 6: Final answer
    x = 3,577.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.