Home / 3,845.24-5,767.02-1,380.02

Finding the Fourth Proportional to 3,845.24, 5,767.02 and 1,380.02

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Solution

The fourth proportional to 3,845.24, 5,767.02 and 1,380.02 is: 2,069.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.24 : 5,767.02 = 1,380.02 : x
  2. Step 2: Convert to fraction form
    3,845.24/5,767.02 = 1,380.02/x
  3. Step 3: Cross multiply
    3,845.24x = 5,767.02 × 1,380.02
  4. Step 4: Simplify right side
    3,845.24x = 7,958,602.94
  5. Step 5: Solve for x
    x = 7,958,602.94/3,845.24
  6. Step 6: Final answer
    x = 2,069.73

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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.