Home / 2,649.24-3,976.02-1,351.08

Finding the Fourth Proportional to 2,649.24, 3,976.02 and 1,351.08

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Solution

The fourth proportional to 2,649.24, 3,976.02 and 1,351.08 is: 2,027.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.24 : 3,976.02 = 1,351.08 : x
  2. Step 2: Convert to fraction form
    2,649.24/3,976.02 = 1,351.08/x
  3. Step 3: Cross multiply
    2,649.24x = 3,976.02 × 1,351.08
  4. Step 4: Simplify right side
    2,649.24x = 5,371,921.10
  5. Step 5: Solve for x
    x = 5,371,921.10/2,649.24
  6. Step 6: Final answer
    x = 2,027.72

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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.