Home / 1,049.20-1,570.33-1,012.29

Finding the Fourth Proportional to 1,049.20, 1,570.33 and 1,012.29

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Solution

The fourth proportional to 1,049.20, 1,570.33 and 1,012.29 is: 1,515.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.20 : 1,570.33 = 1,012.29 : x
  2. Step 2: Convert to fraction form
    1,049.20/1,570.33 = 1,012.29/x
  3. Step 3: Cross multiply
    1,049.20x = 1,570.33 × 1,012.29
  4. Step 4: Simplify right side
    1,049.20x = 1,589,629.36
  5. Step 5: Solve for x
    x = 1,589,629.36/1,049.20
  6. Step 6: Final answer
    x = 1,515.09

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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.