Home / 3,808.82-5,257.15-2,317.79

Finding the Fourth Proportional to 3,808.82, 5,257.15 and 2,317.79

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Solution

The fourth proportional to 3,808.82, 5,257.15 and 2,317.79 is: 3,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.82 : 5,257.15 = 2,317.79 : x
  2. Step 2: Convert to fraction form
    3,808.82/5,257.15 = 2,317.79/x
  3. Step 3: Cross multiply
    3,808.82x = 5,257.15 × 2,317.79
  4. Step 4: Simplify right side
    3,808.82x = 12,184,975.30
  5. Step 5: Solve for x
    x = 12,184,975.30/3,808.82
  6. Step 6: Final answer
    x = 3,199.14

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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.