Home / 3,089.33-4,632.97-1,008.78

Finding the Fourth Proportional to 3,089.33, 4,632.97 and 1,008.78

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Solution

The fourth proportional to 3,089.33, 4,632.97 and 1,008.78 is: 1,512.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.33 : 4,632.97 = 1,008.78 : x
  2. Step 2: Convert to fraction form
    3,089.33/4,632.97 = 1,008.78/x
  3. Step 3: Cross multiply
    3,089.33x = 4,632.97 × 1,008.78
  4. Step 4: Simplify right side
    3,089.33x = 4,673,647.48
  5. Step 5: Solve for x
    x = 4,673,647.48/3,089.33
  6. Step 6: Final answer
    x = 1,512.84

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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.