Home / 3,850.30-5,778.18-2,390.48

Finding the Fourth Proportional to 3,850.30, 5,778.18 and 2,390.48

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Solution

The fourth proportional to 3,850.30, 5,778.18 and 2,390.48 is: 3,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.30 : 5,778.18 = 2,390.48 : x
  2. Step 2: Convert to fraction form
    3,850.30/5,778.18 = 2,390.48/x
  3. Step 3: Cross multiply
    3,850.30x = 5,778.18 × 2,390.48
  4. Step 4: Simplify right side
    3,850.30x = 13,812,623.73
  5. Step 5: Solve for x
    x = 13,812,623.73/3,850.30
  6. Step 6: Final answer
    x = 3,587.41

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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.