Home / 2,649.44-3,973.98-1,089.04

Finding the Fourth Proportional to 2,649.44, 3,973.98 and 1,089.04

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Solution

The fourth proportional to 2,649.44, 3,973.98 and 1,089.04 is: 1,633.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.44 : 3,973.98 = 1,089.04 : x
  2. Step 2: Convert to fraction form
    2,649.44/3,973.98 = 1,089.04/x
  3. Step 3: Cross multiply
    2,649.44x = 3,973.98 × 1,089.04
  4. Step 4: Simplify right side
    2,649.44x = 4,327,797.86
  5. Step 5: Solve for x
    x = 4,327,797.86/2,649.44
  6. Step 6: Final answer
    x = 1,633.48

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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.