Home / 2,681.20-4,022.04-949.52

Finding the Fourth Proportional to 2,681.20, 4,022.04 and 949.52

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Solution

The fourth proportional to 2,681.20, 4,022.04 and 949.52 is: 1,424.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.20 : 4,022.04 = 949.52 : x
  2. Step 2: Convert to fraction form
    2,681.20/4,022.04 = 949.52/x
  3. Step 3: Cross multiply
    2,681.20x = 4,022.04 × 949.52
  4. Step 4: Simplify right side
    2,681.20x = 3,819,007.42
  5. Step 5: Solve for x
    x = 3,819,007.42/2,681.20
  6. Step 6: Final answer
    x = 1,424.36

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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.