Home / 3,018.25-4,165.17-1,691.95

Finding the Fourth Proportional to 3,018.25, 4,165.17 and 1,691.95

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Solution

The fourth proportional to 3,018.25, 4,165.17 and 1,691.95 is: 2,334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.25 : 4,165.17 = 1,691.95 : x
  2. Step 2: Convert to fraction form
    3,018.25/4,165.17 = 1,691.95/x
  3. Step 3: Cross multiply
    3,018.25x = 4,165.17 × 1,691.95
  4. Step 4: Simplify right side
    3,018.25x = 7,047,238.56
  5. Step 5: Solve for x
    x = 7,047,238.56/3,018.25
  6. Step 6: Final answer
    x = 2,334.88

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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.