Home / 3,012.89-4,518.12-932.41

Finding the Fourth Proportional to 3,012.89, 4,518.12 and 932.41

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Solution

The fourth proportional to 3,012.89, 4,518.12 and 932.41 is: 1,398.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.89 : 4,518.12 = 932.41 : x
  2. Step 2: Convert to fraction form
    3,012.89/4,518.12 = 932.41/x
  3. Step 3: Cross multiply
    3,012.89x = 4,518.12 × 932.41
  4. Step 4: Simplify right side
    3,012.89x = 4,212,717.68
  5. Step 5: Solve for x
    x = 4,212,717.68/3,012.89
  6. Step 6: Final answer
    x = 1,398.23

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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.