Home / 2,247.90-3,372.00-1,078.16

Finding the Fourth Proportional to 2,247.90, 3,372.00 and 1,078.16

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Solution

The fourth proportional to 2,247.90, 3,372.00 and 1,078.16 is: 1,617.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.90 : 3,372.00 = 1,078.16 : x
  2. Step 2: Convert to fraction form
    2,247.90/3,372.00 = 1,078.16/x
  3. Step 3: Cross multiply
    2,247.90x = 3,372.00 × 1,078.16
  4. Step 4: Simplify right side
    2,247.90x = 3,635,534.62
  5. Step 5: Solve for x
    x = 3,635,534.62/2,247.90
  6. Step 6: Final answer
    x = 1,617.31

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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.