Home / 3,027.04-4,179.24-1,980.88

Finding the Fourth Proportional to 3,027.04, 4,179.24 and 1,980.88

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Solution

The fourth proportional to 3,027.04, 4,179.24 and 1,980.88 is: 2,734.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.04 : 4,179.24 = 1,980.88 : x
  2. Step 2: Convert to fraction form
    3,027.04/4,179.24 = 1,980.88/x
  3. Step 3: Cross multiply
    3,027.04x = 4,179.24 × 1,980.88
  4. Step 4: Simplify right side
    3,027.04x = 8,278,572.93
  5. Step 5: Solve for x
    x = 8,278,572.93/3,027.04
  6. Step 6: Final answer
    x = 2,734.87

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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.