Home / 3,968.34-5,478.87-2,552.67

Finding the Fourth Proportional to 3,968.34, 5,478.87 and 2,552.67

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Solution

The fourth proportional to 3,968.34, 5,478.87 and 2,552.67 is: 3,524.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.34 : 5,478.87 = 2,552.67 : x
  2. Step 2: Convert to fraction form
    3,968.34/5,478.87 = 2,552.67/x
  3. Step 3: Cross multiply
    3,968.34x = 5,478.87 × 2,552.67
  4. Step 4: Simplify right side
    3,968.34x = 13,985,747.08
  5. Step 5: Solve for x
    x = 13,985,747.08/3,968.34
  6. Step 6: Final answer
    x = 3,524.33

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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.