Home / 1,818.29-2,727.41-1,298.52

Finding the Fourth Proportional to 1,818.29, 2,727.41 and 1,298.52

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Solution

The fourth proportional to 1,818.29, 2,727.41 and 1,298.52 is: 1,947.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.29 : 2,727.41 = 1,298.52 : x
  2. Step 2: Convert to fraction form
    1,818.29/2,727.41 = 1,298.52/x
  3. Step 3: Cross multiply
    1,818.29x = 2,727.41 × 1,298.52
  4. Step 4: Simplify right side
    1,818.29x = 3,541,589.94
  5. Step 5: Solve for x
    x = 3,541,589.94/1,818.29
  6. Step 6: Final answer
    x = 1,947.76

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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.