Home / 3,772.20-5,649.57-1,894.80

Finding the Fourth Proportional to 3,772.20, 5,649.57 and 1,894.80

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Solution

The fourth proportional to 3,772.20, 5,649.57 and 1,894.80 is: 2,837.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.20 : 5,649.57 = 1,894.80 : x
  2. Step 2: Convert to fraction form
    3,772.20/5,649.57 = 1,894.80/x
  3. Step 3: Cross multiply
    3,772.20x = 5,649.57 × 1,894.80
  4. Step 4: Simplify right side
    3,772.20x = 10,704,805.24
  5. Step 5: Solve for x
    x = 10,704,805.24/3,772.20
  6. Step 6: Final answer
    x = 2,837.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.