Home / 3,719.27-5,579.93-1,640.93

Finding the Fourth Proportional to 3,719.27, 5,579.93 and 1,640.93

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Solution

The fourth proportional to 3,719.27, 5,579.93 and 1,640.93 is: 2,461.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.27 : 5,579.93 = 1,640.93 : x
  2. Step 2: Convert to fraction form
    3,719.27/5,579.93 = 1,640.93/x
  3. Step 3: Cross multiply
    3,719.27x = 5,579.93 × 1,640.93
  4. Step 4: Simplify right side
    3,719.27x = 9,156,286.28
  5. Step 5: Solve for x
    x = 9,156,286.28/3,719.27
  6. Step 6: Final answer
    x = 2,461.85

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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.