Home / 1,028.28-1,532.67-968.38

Finding the Fourth Proportional to 1,028.28, 1,532.67 and 968.38

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Solution

The fourth proportional to 1,028.28, 1,532.67 and 968.38 is: 1,443.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028.28 : 1,532.67 = 968.38 : x
  2. Step 2: Convert to fraction form
    1,028.28/1,532.67 = 968.38/x
  3. Step 3: Cross multiply
    1,028.28x = 1,532.67 × 968.38
  4. Step 4: Simplify right side
    1,028.28x = 1,484,203.14
  5. Step 5: Solve for x
    x = 1,484,203.14/1,028.28
  6. Step 6: Final answer
    x = 1,443.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.