Home / 2,004.30-2,765.21-1,248.03

Finding the Fourth Proportional to 2,004.30, 2,765.21 and 1,248.03

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Solution

The fourth proportional to 2,004.30, 2,765.21 and 1,248.03 is: 1,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.30 : 2,765.21 = 1,248.03 : x
  2. Step 2: Convert to fraction form
    2,004.30/2,765.21 = 1,248.03/x
  3. Step 3: Cross multiply
    2,004.30x = 2,765.21 × 1,248.03
  4. Step 4: Simplify right side
    2,004.30x = 3,451,058.80
  5. Step 5: Solve for x
    x = 3,451,058.80/2,004.30
  6. Step 6: Final answer
    x = 1,721.83

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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.