Home / 2,649.19-3,975.13-1,262.27

Finding the Fourth Proportional to 2,649.19, 3,975.13 and 1,262.27

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Solution

The fourth proportional to 2,649.19, 3,975.13 and 1,262.27 is: 1,894.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.19 : 3,975.13 = 1,262.27 : x
  2. Step 2: Convert to fraction form
    2,649.19/3,975.13 = 1,262.27/x
  3. Step 3: Cross multiply
    2,649.19x = 3,975.13 × 1,262.27
  4. Step 4: Simplify right side
    2,649.19x = 5,017,687.35
  5. Step 5: Solve for x
    x = 5,017,687.35/2,649.19
  6. Step 6: Final answer
    x = 1,894.05

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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.