Home / 3,299.65-4,553.38-1,972.57

Finding the Fourth Proportional to 3,299.65, 4,553.38 and 1,972.57

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Solution

The fourth proportional to 3,299.65, 4,553.38 and 1,972.57 is: 2,722.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.65 : 4,553.38 = 1,972.57 : x
  2. Step 2: Convert to fraction form
    3,299.65/4,553.38 = 1,972.57/x
  3. Step 3: Cross multiply
    3,299.65x = 4,553.38 × 1,972.57
  4. Step 4: Simplify right side
    3,299.65x = 8,981,828.16
  5. Step 5: Solve for x
    x = 8,981,828.16/3,299.65
  6. Step 6: Final answer
    x = 2,722.06

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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.