Home / 3,734.88-5,154.28-2,163.48

Finding the Fourth Proportional to 3,734.88, 5,154.28 and 2,163.48

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Solution

The fourth proportional to 3,734.88, 5,154.28 and 2,163.48 is: 2,985.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.88 : 5,154.28 = 2,163.48 : x
  2. Step 2: Convert to fraction form
    3,734.88/5,154.28 = 2,163.48/x
  3. Step 3: Cross multiply
    3,734.88x = 5,154.28 × 2,163.48
  4. Step 4: Simplify right side
    3,734.88x = 11,151,181.69
  5. Step 5: Solve for x
    x = 11,151,181.69/3,734.88
  6. Step 6: Final answer
    x = 2,985.69

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1.5x scale

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.