Home / 2,644.20-3,649.14-1,525.14

Finding the Fourth Proportional to 2,644.20, 3,649.14 and 1,525.14

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Solution

The fourth proportional to 2,644.20, 3,649.14 and 1,525.14 is: 2,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.20 : 3,649.14 = 1,525.14 : x
  2. Step 2: Convert to fraction form
    2,644.20/3,649.14 = 1,525.14/x
  3. Step 3: Cross multiply
    2,644.20x = 3,649.14 × 1,525.14
  4. Step 4: Simplify right side
    2,644.20x = 5,565,449.38
  5. Step 5: Solve for x
    x = 5,565,449.38/2,644.20
  6. Step 6: Final answer
    x = 2,104.78

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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.