Home / 2,278.23-3,414.91-1,869.27

Finding the Fourth Proportional to 2,278.23, 3,414.91 and 1,869.27

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Solution

The fourth proportional to 2,278.23, 3,414.91 and 1,869.27 is: 2,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.23 : 3,414.91 = 1,869.27 : x
  2. Step 2: Convert to fraction form
    2,278.23/3,414.91 = 1,869.27/x
  3. Step 3: Cross multiply
    2,278.23x = 3,414.91 × 1,869.27
  4. Step 4: Simplify right side
    2,278.23x = 6,383,388.82
  5. Step 5: Solve for x
    x = 6,383,388.82/2,278.23
  6. Step 6: Final answer
    x = 2,801.91

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1.5x scale

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.