Home / 3,847.02-5,771.55-1,382.10

Finding the Fourth Proportional to 3,847.02, 5,771.55 and 1,382.10

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Solution

The fourth proportional to 3,847.02, 5,771.55 and 1,382.10 is: 2,073.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.02 : 5,771.55 = 1,382.10 : x
  2. Step 2: Convert to fraction form
    3,847.02/5,771.55 = 1,382.10/x
  3. Step 3: Cross multiply
    3,847.02x = 5,771.55 × 1,382.10
  4. Step 4: Simplify right side
    3,847.02x = 7,976,859.26
  5. Step 5: Solve for x
    x = 7,976,859.26/3,847.02
  6. Step 6: Final answer
    x = 2,073.52

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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.