Home / 3,825.01-5,278.76-2,146.39

Finding the Fourth Proportional to 3,825.01, 5,278.76 and 2,146.39

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Solution

The fourth proportional to 3,825.01, 5,278.76 and 2,146.39 is: 2,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.01 : 5,278.76 = 2,146.39 : x
  2. Step 2: Convert to fraction form
    3,825.01/5,278.76 = 2,146.39/x
  3. Step 3: Cross multiply
    3,825.01x = 5,278.76 × 2,146.39
  4. Step 4: Simplify right side
    3,825.01x = 11,330,277.68
  5. Step 5: Solve for x
    x = 11,330,277.68/3,825.01
  6. Step 6: Final answer
    x = 2,962.16

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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.