Home / 3,168.48-4,753.20-1,116

Finding the Fourth Proportional to 3,168.48, 4,753.20 and 1,116

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Solution

The fourth proportional to 3,168.48, 4,753.20 and 1,116 is: 1,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.48 : 4,753.20 = 1,116 : x
  2. Step 2: Convert to fraction form
    3,168.48/4,753.20 = 1,116/x
  3. Step 3: Cross multiply
    3,168.48x = 4,753.20 × 1,116
  4. Step 4: Simplify right side
    3,168.48x = 5,304,571.20
  5. Step 5: Solve for x
    x = 5,304,571.20/3,168.48
  6. Step 6: Final answer
    x = 1,674.17

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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.