Home / 3,655.17-5,044.78-2,163.91

Finding the Fourth Proportional to 3,655.17, 5,044.78 and 2,163.91

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Solution

The fourth proportional to 3,655.17, 5,044.78 and 2,163.91 is: 2,986.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.17 : 5,044.78 = 2,163.91 : x
  2. Step 2: Convert to fraction form
    3,655.17/5,044.78 = 2,163.91/x
  3. Step 3: Cross multiply
    3,655.17x = 5,044.78 × 2,163.91
  4. Step 4: Simplify right side
    3,655.17x = 10,916,449.89
  5. Step 5: Solve for x
    x = 10,916,449.89/3,655.17
  6. Step 6: Final answer
    x = 2,986.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.