Home / 1,818.29-2,508.85-1,071.97

Finding the Fourth Proportional to 1,818.29, 2,508.85 and 1,071.97

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Solution

The fourth proportional to 1,818.29, 2,508.85 and 1,071.97 is: 1,479.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.29 : 2,508.85 = 1,071.97 : x
  2. Step 2: Convert to fraction form
    1,818.29/2,508.85 = 1,071.97/x
  3. Step 3: Cross multiply
    1,818.29x = 2,508.85 × 1,071.97
  4. Step 4: Simplify right side
    1,818.29x = 2,689,411.93
  5. Step 5: Solve for x
    x = 2,689,411.93/1,818.29
  6. Step 6: Final answer
    x = 1,479.09

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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.