Home / 2,508.21-3,758.72-2,199.33

Finding the Fourth Proportional to 2,508.21, 3,758.72 and 2,199.33

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Solution

The fourth proportional to 2,508.21, 3,758.72 and 2,199.33 is: 3,295.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508.21 : 3,758.72 = 2,199.33 : x
  2. Step 2: Convert to fraction form
    2,508.21/3,758.72 = 2,199.33/x
  3. Step 3: Cross multiply
    2,508.21x = 3,758.72 × 2,199.33
  4. Step 4: Simplify right side
    2,508.21x = 8,266,654.66
  5. Step 5: Solve for x
    x = 8,266,654.66/2,508.21
  6. Step 6: Final answer
    x = 3,295.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.