Home / 1,818.06-2,506.41-1,227.66

Finding the Fourth Proportional to 1,818.06, 2,506.41 and 1,227.66

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Solution

The fourth proportional to 1,818.06, 2,506.41 and 1,227.66 is: 1,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.06 : 2,506.41 = 1,227.66 : x
  2. Step 2: Convert to fraction form
    1,818.06/2,506.41 = 1,227.66/x
  3. Step 3: Cross multiply
    1,818.06x = 2,506.41 × 1,227.66
  4. Step 4: Simplify right side
    1,818.06x = 3,077,019.30
  5. Step 5: Solve for x
    x = 3,077,019.30/1,818.06
  6. Step 6: Final answer
    x = 1,692.47

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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.