Home / 3,722.45-5,136.68-2,043.85

Finding the Fourth Proportional to 3,722.45, 5,136.68 and 2,043.85

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Solution

The fourth proportional to 3,722.45, 5,136.68 and 2,043.85 is: 2,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.45 : 5,136.68 = 2,043.85 : x
  2. Step 2: Convert to fraction form
    3,722.45/5,136.68 = 2,043.85/x
  3. Step 3: Cross multiply
    3,722.45x = 5,136.68 × 2,043.85
  4. Step 4: Simplify right side
    3,722.45x = 10,498,603.42
  5. Step 5: Solve for x
    x = 10,498,603.42/3,722.45
  6. Step 6: Final answer
    x = 2,820.35

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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.