Home / 3,579.12-5,367.92-1,113.35

Finding the Fourth Proportional to 3,579.12, 5,367.92 and 1,113.35

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Solution

The fourth proportional to 3,579.12, 5,367.92 and 1,113.35 is: 1,669.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.12 : 5,367.92 = 1,113.35 : x
  2. Step 2: Convert to fraction form
    3,579.12/5,367.92 = 1,113.35/x
  3. Step 3: Cross multiply
    3,579.12x = 5,367.92 × 1,113.35
  4. Step 4: Simplify right side
    3,579.12x = 5,976,341.33
  5. Step 5: Solve for x
    x = 5,976,341.33/3,579.12
  6. Step 6: Final answer
    x = 1,669.78

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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.