Home / 3,579.68-5,367.57-1,113.83

Finding the Fourth Proportional to 3,579.68, 5,367.57 and 1,113.83

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Solution

The fourth proportional to 3,579.68, 5,367.57 and 1,113.83 is: 1,670.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.68 : 5,367.57 = 1,113.83 : x
  2. Step 2: Convert to fraction form
    3,579.68/5,367.57 = 1,113.83/x
  3. Step 3: Cross multiply
    3,579.68x = 5,367.57 × 1,113.83
  4. Step 4: Simplify right side
    3,579.68x = 5,978,560.49
  5. Step 5: Solve for x
    x = 5,978,560.49/3,579.68
  6. Step 6: Final answer
    x = 1,670.14

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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.