Home / 3,878.23-5,351.92-2,552.67

Finding the Fourth Proportional to 3,878.23, 5,351.92 and 2,552.67

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Solution

The fourth proportional to 3,878.23, 5,351.92 and 2,552.67 is: 3,522.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878.23 : 5,351.92 = 2,552.67 : x
  2. Step 2: Convert to fraction form
    3,878.23/5,351.92 = 2,552.67/x
  3. Step 3: Cross multiply
    3,878.23x = 5,351.92 × 2,552.67
  4. Step 4: Simplify right side
    3,878.23x = 13,661,685.63
  5. Step 5: Solve for x
    x = 13,661,685.63/3,878.23
  6. Step 6: Final answer
    x = 3,522.66

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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.