Home / 1,352.32-2,028.40-1,010.56

Finding the Fourth Proportional to 1,352.32, 2,028.40 and 1,010.56

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Solution

The fourth proportional to 1,352.32, 2,028.40 and 1,010.56 is: 1,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352.32 : 2,028.40 = 1,010.56 : x
  2. Step 2: Convert to fraction form
    1,352.32/2,028.40 = 1,010.56/x
  3. Step 3: Cross multiply
    1,352.32x = 2,028.40 × 1,010.56
  4. Step 4: Simplify right side
    1,352.32x = 2,049,819.90
  5. Step 5: Solve for x
    x = 2,049,819.90/1,352.32
  6. Step 6: Final answer
    x = 1,515.78

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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.