Home / 2,219.53-3,062.85-1,274.66

Finding the Fourth Proportional to 2,219.53, 3,062.85 and 1,274.66

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Solution

The fourth proportional to 2,219.53, 3,062.85 and 1,274.66 is: 1,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.53 : 3,062.85 = 1,274.66 : x
  2. Step 2: Convert to fraction form
    2,219.53/3,062.85 = 1,274.66/x
  3. Step 3: Cross multiply
    2,219.53x = 3,062.85 × 1,274.66
  4. Step 4: Simplify right side
    2,219.53x = 3,904,078.74
  5. Step 5: Solve for x
    x = 3,904,078.74/2,219.53
  6. Step 6: Final answer
    x = 1,758.97

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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.