Home / 2,660.92-3,672.36-1,612.96

Finding the Fourth Proportional to 2,660.92, 3,672.36 and 1,612.96

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Solution

The fourth proportional to 2,660.92, 3,672.36 and 1,612.96 is: 2,226.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.92 : 3,672.36 = 1,612.96 : x
  2. Step 2: Convert to fraction form
    2,660.92/3,672.36 = 1,612.96/x
  3. Step 3: Cross multiply
    2,660.92x = 3,672.36 × 1,612.96
  4. Step 4: Simplify right side
    2,660.92x = 5,923,369.79
  5. Step 5: Solve for x
    x = 5,923,369.79/2,660.92
  6. Step 6: Final answer
    x = 2,226.06

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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.