Home / 3,221.18-4,823.85-1,572.41

Finding the Fourth Proportional to 3,221.18, 4,823.85 and 1,572.41

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Solution

The fourth proportional to 3,221.18, 4,823.85 and 1,572.41 is: 2,354.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.18 : 4,823.85 = 1,572.41 : x
  2. Step 2: Convert to fraction form
    3,221.18/4,823.85 = 1,572.41/x
  3. Step 3: Cross multiply
    3,221.18x = 4,823.85 × 1,572.41
  4. Step 4: Simplify right side
    3,221.18x = 7,585,082.04
  5. Step 5: Solve for x
    x = 7,585,082.04/3,221.18
  6. Step 6: Final answer
    x = 2,354.75

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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.