Home / 2,853.35-4,278.17-1,876.49

Finding the Fourth Proportional to 2,853.35, 4,278.17 and 1,876.49

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Solution

The fourth proportional to 2,853.35, 4,278.17 and 1,876.49 is: 2,813.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.35 : 4,278.17 = 1,876.49 : x
  2. Step 2: Convert to fraction form
    2,853.35/4,278.17 = 1,876.49/x
  3. Step 3: Cross multiply
    2,853.35x = 4,278.17 × 1,876.49
  4. Step 4: Simplify right side
    2,853.35x = 8,027,912.45
  5. Step 5: Solve for x
    x = 8,027,912.45/2,853.35
  6. Step 6: Final answer
    x = 2,813.51

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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.