Home / 2,649.41-3,974.19-1,262.89

Finding the Fourth Proportional to 2,649.41, 3,974.19 and 1,262.89

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Solution

The fourth proportional to 2,649.41, 3,974.19 and 1,262.89 is: 1,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.41 : 3,974.19 = 1,262.89 : x
  2. Step 2: Convert to fraction form
    2,649.41/3,974.19 = 1,262.89/x
  3. Step 3: Cross multiply
    2,649.41x = 3,974.19 × 1,262.89
  4. Step 4: Simplify right side
    2,649.41x = 5,018,964.81
  5. Step 5: Solve for x
    x = 5,018,964.81/2,649.41
  6. Step 6: Final answer
    x = 1,894.37

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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.