Home / 3,154.80-4,732.20-1,102.32

Finding the Fourth Proportional to 3,154.80, 4,732.20 and 1,102.32

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Solution

The fourth proportional to 3,154.80, 4,732.20 and 1,102.32 is: 1,653.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.80 : 4,732.20 = 1,102.32 : x
  2. Step 2: Convert to fraction form
    3,154.80/4,732.20 = 1,102.32/x
  3. Step 3: Cross multiply
    3,154.80x = 4,732.20 × 1,102.32
  4. Step 4: Simplify right side
    3,154.80x = 5,216,398.70
  5. Step 5: Solve for x
    x = 5,216,398.70/3,154.80
  6. Step 6: Final answer
    x = 1,653.48

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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.