Home / 3,012.31-4,517.79-1,345.56

Finding the Fourth Proportional to 3,012.31, 4,517.79 and 1,345.56

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Solution

The fourth proportional to 3,012.31, 4,517.79 and 1,345.56 is: 2,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.31 : 4,517.79 = 1,345.56 : x
  2. Step 2: Convert to fraction form
    3,012.31/4,517.79 = 1,345.56/x
  3. Step 3: Cross multiply
    3,012.31x = 4,517.79 × 1,345.56
  4. Step 4: Simplify right side
    3,012.31x = 6,078,962.83
  5. Step 5: Solve for x
    x = 6,078,962.83/3,012.31
  6. Step 6: Final answer
    x = 2,018.04

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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.