Home / 3,376.17-4,660.11-1,960.20

Finding the Fourth Proportional to 3,376.17, 4,660.11 and 1,960.20

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Solution

The fourth proportional to 3,376.17, 4,660.11 and 1,960.20 is: 2,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.17 : 4,660.11 = 1,960.20 : x
  2. Step 2: Convert to fraction form
    3,376.17/4,660.11 = 1,960.20/x
  3. Step 3: Cross multiply
    3,376.17x = 4,660.11 × 1,960.20
  4. Step 4: Simplify right side
    3,376.17x = 9,134,747.62
  5. Step 5: Solve for x
    x = 9,134,747.62/3,376.17
  6. Step 6: Final answer
    x = 2,705.65

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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.