Home / 2,968.80-4,451.76-1,020.48

Finding the Fourth Proportional to 2,968.80, 4,451.76 and 1,020.48

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Solution

The fourth proportional to 2,968.80, 4,451.76 and 1,020.48 is: 1,530.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.80 : 4,451.76 = 1,020.48 : x
  2. Step 2: Convert to fraction form
    2,968.80/4,451.76 = 1,020.48/x
  3. Step 3: Cross multiply
    2,968.80x = 4,451.76 × 1,020.48
  4. Step 4: Simplify right side
    2,968.80x = 4,542,932.04
  5. Step 5: Solve for x
    x = 4,542,932.04/2,968.80
  6. Step 6: Final answer
    x = 1,530.23

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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.