Home / 3,472.82-5,209.58-1,281.03

Finding the Fourth Proportional to 3,472.82, 5,209.58 and 1,281.03

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Solution

The fourth proportional to 3,472.82, 5,209.58 and 1,281.03 is: 1,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.82 : 5,209.58 = 1,281.03 : x
  2. Step 2: Convert to fraction form
    3,472.82/5,209.58 = 1,281.03/x
  3. Step 3: Cross multiply
    3,472.82x = 5,209.58 × 1,281.03
  4. Step 4: Simplify right side
    3,472.82x = 6,673,621.86
  5. Step 5: Solve for x
    x = 6,673,621.86/3,472.82
  6. Step 6: Final answer
    x = 1,921.68

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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.