Home / 3,318.30-4,572.23-2,744.69

Finding the Fourth Proportional to 3,318.30, 4,572.23 and 2,744.69

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Solution

The fourth proportional to 3,318.30, 4,572.23 and 2,744.69 is: 3,781.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.30 : 4,572.23 = 2,744.69 : x
  2. Step 2: Convert to fraction form
    3,318.30/4,572.23 = 2,744.69/x
  3. Step 3: Cross multiply
    3,318.30x = 4,572.23 × 2,744.69
  4. Step 4: Simplify right side
    3,318.30x = 12,549,317.37
  5. Step 5: Solve for x
    x = 12,549,317.37/3,318.30
  6. Step 6: Final answer
    x = 3,781.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.