Home / 2,628.16-3,942.96-1,168.48

Finding the Fourth Proportional to 2,628.16, 3,942.96 and 1,168.48

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Solution

The fourth proportional to 2,628.16, 3,942.96 and 1,168.48 is: 1,753.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.16 : 3,942.96 = 1,168.48 : x
  2. Step 2: Convert to fraction form
    2,628.16/3,942.96 = 1,168.48/x
  3. Step 3: Cross multiply
    2,628.16x = 3,942.96 × 1,168.48
  4. Step 4: Simplify right side
    2,628.16x = 4,607,269.90
  5. Step 5: Solve for x
    x = 4,607,269.90/2,628.16
  6. Step 6: Final answer
    x = 1,753.04

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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.