Home / 3,767.11-5,655.84-1,919.47

Finding the Fourth Proportional to 3,767.11, 5,655.84 and 1,919.47

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Solution

The fourth proportional to 3,767.11, 5,655.84 and 1,919.47 is: 2,881.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.11 : 5,655.84 = 1,919.47 : x
  2. Step 2: Convert to fraction form
    3,767.11/5,655.84 = 1,919.47/x
  3. Step 3: Cross multiply
    3,767.11x = 5,655.84 × 1,919.47
  4. Step 4: Simplify right side
    3,767.11x = 10,856,215.20
  5. Step 5: Solve for x
    x = 10,856,215.20/3,767.11
  6. Step 6: Final answer
    x = 2,881.84

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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.