Home / 3,367.54-4,645.29-2,989.72

Finding the Fourth Proportional to 3,367.54, 4,645.29 and 2,989.72

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Solution

The fourth proportional to 3,367.54, 4,645.29 and 2,989.72 is: 4,124.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.54 : 4,645.29 = 2,989.72 : x
  2. Step 2: Convert to fraction form
    3,367.54/4,645.29 = 2,989.72/x
  3. Step 3: Cross multiply
    3,367.54x = 4,645.29 × 2,989.72
  4. Step 4: Simplify right side
    3,367.54x = 13,888,116.42
  5. Step 5: Solve for x
    x = 13,888,116.42/3,367.54
  6. Step 6: Final answer
    x = 4,124.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.