Home / 2,166.24-3,247.68-1,068.96

Finding the Fourth Proportional to 2,166.24, 3,247.68 and 1,068.96

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Solution

The fourth proportional to 2,166.24, 3,247.68 and 1,068.96 is: 1,602.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.24 : 3,247.68 = 1,068.96 : x
  2. Step 2: Convert to fraction form
    2,166.24/3,247.68 = 1,068.96/x
  3. Step 3: Cross multiply
    2,166.24x = 3,247.68 × 1,068.96
  4. Step 4: Simplify right side
    2,166.24x = 3,471,640.01
  5. Step 5: Solve for x
    x = 3,471,640.01/2,166.24
  6. Step 6: Final answer
    x = 1,602.61

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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.