Home / 1,826.20-2,517.62-1,265.71

Finding the Fourth Proportional to 1,826.20, 2,517.62 and 1,265.71

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Solution

The fourth proportional to 1,826.20, 2,517.62 and 1,265.71 is: 1,744.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.20 : 2,517.62 = 1,265.71 : x
  2. Step 2: Convert to fraction form
    1,826.20/2,517.62 = 1,265.71/x
  3. Step 3: Cross multiply
    1,826.20x = 2,517.62 × 1,265.71
  4. Step 4: Simplify right side
    1,826.20x = 3,186,576.81
  5. Step 5: Solve for x
    x = 3,186,576.81/1,826.20
  6. Step 6: Final answer
    x = 1,744.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.