Home / 1,861.43-2,790.61-1,452.38

Finding the Fourth Proportional to 1,861.43, 2,790.61 and 1,452.38

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Solution

The fourth proportional to 1,861.43, 2,790.61 and 1,452.38 is: 2,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861.43 : 2,790.61 = 1,452.38 : x
  2. Step 2: Convert to fraction form
    1,861.43/2,790.61 = 1,452.38/x
  3. Step 3: Cross multiply
    1,861.43x = 2,790.61 × 1,452.38
  4. Step 4: Simplify right side
    1,861.43x = 4,053,026.15
  5. Step 5: Solve for x
    x = 4,053,026.15/1,861.43
  6. Step 6: Final answer
    x = 2,177.37

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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.