Home / 2,650.72-3,659.52-1,769.44

Finding the Fourth Proportional to 2,650.72, 3,659.52 and 1,769.44

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Solution

The fourth proportional to 2,650.72, 3,659.52 and 1,769.44 is: 2,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.72 : 3,659.52 = 1,769.44 : x
  2. Step 2: Convert to fraction form
    2,650.72/3,659.52 = 1,769.44/x
  3. Step 3: Cross multiply
    2,650.72x = 3,659.52 × 1,769.44
  4. Step 4: Simplify right side
    2,650.72x = 6,475,301.07
  5. Step 5: Solve for x
    x = 6,475,301.07/2,650.72
  6. Step 6: Final answer
    x = 2,442.85

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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.