Home / 2,010.28-3,015.66-1,229.92

Finding the Fourth Proportional to 2,010.28, 3,015.66 and 1,229.92

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Solution

The fourth proportional to 2,010.28, 3,015.66 and 1,229.92 is: 1,845.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.28 : 3,015.66 = 1,229.92 : x
  2. Step 2: Convert to fraction form
    2,010.28/3,015.66 = 1,229.92/x
  3. Step 3: Cross multiply
    2,010.28x = 3,015.66 × 1,229.92
  4. Step 4: Simplify right side
    2,010.28x = 3,709,020.55
  5. Step 5: Solve for x
    x = 3,709,020.55/2,010.28
  6. Step 6: Final answer
    x = 1,845.03

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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.