Home / 3,181.52-4,772.28-1,452.08

Finding the Fourth Proportional to 3,181.52, 4,772.28 and 1,452.08

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Solution

The fourth proportional to 3,181.52, 4,772.28 and 1,452.08 is: 2,178.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.52 : 4,772.28 = 1,452.08 : x
  2. Step 2: Convert to fraction form
    3,181.52/4,772.28 = 1,452.08/x
  3. Step 3: Cross multiply
    3,181.52x = 4,772.28 × 1,452.08
  4. Step 4: Simplify right side
    3,181.52x = 6,929,732.34
  5. Step 5: Solve for x
    x = 6,929,732.34/3,181.52
  6. Step 6: Final answer
    x = 2,178.12

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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.