Home / 3,722.31-5,136.84-2,043.69

Finding the Fourth Proportional to 3,722.31, 5,136.84 and 2,043.69

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Solution

The fourth proportional to 3,722.31, 5,136.84 and 2,043.69 is: 2,820.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.31 : 5,136.84 = 2,043.69 : x
  2. Step 2: Convert to fraction form
    3,722.31/5,136.84 = 2,043.69/x
  3. Step 3: Cross multiply
    3,722.31x = 5,136.84 × 2,043.69
  4. Step 4: Simplify right side
    3,722.31x = 10,498,108.54
  5. Step 5: Solve for x
    x = 10,498,108.54/3,722.31
  6. Step 6: Final answer
    x = 2,820.32

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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.