Home / 3,721.80-5,136.07-2,043.17

Finding the Fourth Proportional to 3,721.80, 5,136.07 and 2,043.17

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Solution

The fourth proportional to 3,721.80, 5,136.07 and 2,043.17 is: 2,819.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.80 : 5,136.07 = 2,043.17 : x
  2. Step 2: Convert to fraction form
    3,721.80/5,136.07 = 2,043.17/x
  3. Step 3: Cross multiply
    3,721.80x = 5,136.07 × 2,043.17
  4. Step 4: Simplify right side
    3,721.80x = 10,493,864.14
  5. Step 5: Solve for x
    x = 10,493,864.14/3,721.80
  6. Step 6: Final answer
    x = 2,819.57

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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.