Home / 3,808.01-5,253.57-2,391.09

Finding the Fourth Proportional to 3,808.01, 5,253.57 and 2,391.09

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Solution

The fourth proportional to 3,808.01, 5,253.57 and 2,391.09 is: 3,298.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.01 : 5,253.57 = 2,391.09 : x
  2. Step 2: Convert to fraction form
    3,808.01/5,253.57 = 2,391.09/x
  3. Step 3: Cross multiply
    3,808.01x = 5,253.57 × 2,391.09
  4. Step 4: Simplify right side
    3,808.01x = 12,561,758.69
  5. Step 5: Solve for x
    x = 12,561,758.69/3,808.01
  6. Step 6: Final answer
    x = 3,298.78

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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.