Home / 1,581.38-2,367.39-1,167.77

Finding the Fourth Proportional to 1,581.38, 2,367.39 and 1,167.77

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Solution

The fourth proportional to 1,581.38, 2,367.39 and 1,167.77 is: 1,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581.38 : 2,367.39 = 1,167.77 : x
  2. Step 2: Convert to fraction form
    1,581.38/2,367.39 = 1,167.77/x
  3. Step 3: Cross multiply
    1,581.38x = 2,367.39 × 1,167.77
  4. Step 4: Simplify right side
    1,581.38x = 2,764,555.18
  5. Step 5: Solve for x
    x = 2,764,555.18/1,581.38
  6. Step 6: Final answer
    x = 1,748.20

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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.