Home / 3,767.22-5,643.51-1,820.79

Finding the Fourth Proportional to 3,767.22, 5,643.51 and 1,820.79

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Solution

The fourth proportional to 3,767.22, 5,643.51 and 1,820.79 is: 2,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.22 : 5,643.51 = 1,820.79 : x
  2. Step 2: Convert to fraction form
    3,767.22/5,643.51 = 1,820.79/x
  3. Step 3: Cross multiply
    3,767.22x = 5,643.51 × 1,820.79
  4. Step 4: Simplify right side
    3,767.22x = 10,275,646.57
  5. Step 5: Solve for x
    x = 10,275,646.57/3,767.22
  6. Step 6: Final answer
    x = 2,727.65

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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.