Home / 3,850.65-5,315.22-2,396.57

Finding the Fourth Proportional to 3,850.65, 5,315.22 and 2,396.57

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Solution

The fourth proportional to 3,850.65, 5,315.22 and 2,396.57 is: 3,308.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.65 : 5,315.22 = 2,396.57 : x
  2. Step 2: Convert to fraction form
    3,850.65/5,315.22 = 2,396.57/x
  3. Step 3: Cross multiply
    3,850.65x = 5,315.22 × 2,396.57
  4. Step 4: Simplify right side
    3,850.65x = 12,738,270.22
  5. Step 5: Solve for x
    x = 12,738,270.22/3,850.65
  6. Step 6: Final answer
    x = 3,308.08

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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.