Home / 2,020.26-3,030.45-1,152.75

Finding the Fourth Proportional to 2,020.26, 3,030.45 and 1,152.75

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Solution

The fourth proportional to 2,020.26, 3,030.45 and 1,152.75 is: 1,729.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.26 : 3,030.45 = 1,152.75 : x
  2. Step 2: Convert to fraction form
    2,020.26/3,030.45 = 1,152.75/x
  3. Step 3: Cross multiply
    2,020.26x = 3,030.45 × 1,152.75
  4. Step 4: Simplify right side
    2,020.26x = 3,493,351.24
  5. Step 5: Solve for x
    x = 3,493,351.24/2,020.26
  6. Step 6: Final answer
    x = 1,729.16

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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.