Home / 3,027.92-4,178.66-1,908.42

Finding the Fourth Proportional to 3,027.92, 4,178.66 and 1,908.42

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Solution

The fourth proportional to 3,027.92, 4,178.66 and 1,908.42 is: 2,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.92 : 4,178.66 = 1,908.42 : x
  2. Step 2: Convert to fraction form
    3,027.92/4,178.66 = 1,908.42/x
  3. Step 3: Cross multiply
    3,027.92x = 4,178.66 × 1,908.42
  4. Step 4: Simplify right side
    3,027.92x = 7,974,638.32
  5. Step 5: Solve for x
    x = 7,974,638.32/3,027.92
  6. Step 6: Final answer
    x = 2,633.70

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1.5x scale

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.