Home / 2,004.22-2,765.08-1,257.91

Finding the Fourth Proportional to 2,004.22, 2,765.08 and 1,257.91

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Solution

The fourth proportional to 2,004.22, 2,765.08 and 1,257.91 is: 1,735.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.22 : 2,765.08 = 1,257.91 : x
  2. Step 2: Convert to fraction form
    2,004.22/2,765.08 = 1,257.91/x
  3. Step 3: Cross multiply
    2,004.22x = 2,765.08 × 1,257.91
  4. Step 4: Simplify right side
    2,004.22x = 3,478,221.78
  5. Step 5: Solve for x
    x = 3,478,221.78/2,004.22
  6. Step 6: Final answer
    x = 1,735.45

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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.