Home / 2,027.20-3,015.56-1,971.04

Finding the Fourth Proportional to 2,027.20, 3,015.56 and 1,971.04

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Solution

The fourth proportional to 2,027.20, 3,015.56 and 1,971.04 is: 2,932.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.20 : 3,015.56 = 1,971.04 : x
  2. Step 2: Convert to fraction form
    2,027.20/3,015.56 = 1,971.04/x
  3. Step 3: Cross multiply
    2,027.20x = 3,015.56 × 1,971.04
  4. Step 4: Simplify right side
    2,027.20x = 5,943,789.38
  5. Step 5: Solve for x
    x = 5,943,789.38/2,027.20
  6. Step 6: Final answer
    x = 2,932.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.