Home / 3,540.60-4,884.66-2,281.56

Finding the Fourth Proportional to 3,540.60, 4,884.66 and 2,281.56

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Solution

The fourth proportional to 3,540.60, 4,884.66 and 2,281.56 is: 3,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.60 : 4,884.66 = 2,281.56 : x
  2. Step 2: Convert to fraction form
    3,540.60/4,884.66 = 2,281.56/x
  3. Step 3: Cross multiply
    3,540.60x = 4,884.66 × 2,281.56
  4. Step 4: Simplify right side
    3,540.60x = 11,144,644.87
  5. Step 5: Solve for x
    x = 11,144,644.87/3,540.60
  6. Step 6: Final answer
    x = 3,147.67

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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.