Home / 3,822.15-5,274.89-2,207.58

Finding the Fourth Proportional to 3,822.15, 5,274.89 and 2,207.58

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Solution

The fourth proportional to 3,822.15, 5,274.89 and 2,207.58 is: 3,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.15 : 5,274.89 = 2,207.58 : x
  2. Step 2: Convert to fraction form
    3,822.15/5,274.89 = 2,207.58/x
  3. Step 3: Cross multiply
    3,822.15x = 5,274.89 × 2,207.58
  4. Step 4: Simplify right side
    3,822.15x = 11,644,741.67
  5. Step 5: Solve for x
    x = 11,644,741.67/3,822.15
  6. Step 6: Final answer
    x = 3,046.65

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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.