Home / 3,027.12-4,542.24-2,379.12

Finding the Fourth Proportional to 3,027.12, 4,542.24 and 2,379.12

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Solution

The fourth proportional to 3,027.12, 4,542.24 and 2,379.12 is: 3,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.12 : 4,542.24 = 2,379.12 : x
  2. Step 2: Convert to fraction form
    3,027.12/4,542.24 = 2,379.12/x
  3. Step 3: Cross multiply
    3,027.12x = 4,542.24 × 2,379.12
  4. Step 4: Simplify right side
    3,027.12x = 10,806,534.03
  5. Step 5: Solve for x
    x = 10,806,534.03/3,027.12
  6. Step 6: Final answer
    x = 3,569.91

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1.5x scale

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.