Home / 2,256.92-3,386.30-1,161.68

Finding the Fourth Proportional to 2,256.92, 3,386.30 and 1,161.68

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Solution

The fourth proportional to 2,256.92, 3,386.30 and 1,161.68 is: 1,742.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.92 : 3,386.30 = 1,161.68 : x
  2. Step 2: Convert to fraction form
    2,256.92/3,386.30 = 1,161.68/x
  3. Step 3: Cross multiply
    2,256.92x = 3,386.30 × 1,161.68
  4. Step 4: Simplify right side
    2,256.92x = 3,933,796.98
  5. Step 5: Solve for x
    x = 3,933,796.98/2,256.92
  6. Step 6: Final answer
    x = 1,742.99

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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.