Home / 3,719.43-5,579.69-1,122.57

Finding the Fourth Proportional to 3,719.43, 5,579.69 and 1,122.57

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Solution

The fourth proportional to 3,719.43, 5,579.69 and 1,122.57 is: 1,684.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.43 : 5,579.69 = 1,122.57 : x
  2. Step 2: Convert to fraction form
    3,719.43/5,579.69 = 1,122.57/x
  3. Step 3: Cross multiply
    3,719.43x = 5,579.69 × 1,122.57
  4. Step 4: Simplify right side
    3,719.43x = 6,263,586.99
  5. Step 5: Solve for x
    x = 6,263,586.99/3,719.43
  6. Step 6: Final answer
    x = 1,684.02

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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.