Home / 3,941.43-5,438.97-2,261.67

Finding the Fourth Proportional to 3,941.43, 5,438.97 and 2,261.67

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Solution

The fourth proportional to 3,941.43, 5,438.97 and 2,261.67 is: 3,120.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.43 : 5,438.97 = 2,261.67 : x
  2. Step 2: Convert to fraction form
    3,941.43/5,438.97 = 2,261.67/x
  3. Step 3: Cross multiply
    3,941.43x = 5,438.97 × 2,261.67
  4. Step 4: Simplify right side
    3,941.43x = 12,301,155.28
  5. Step 5: Solve for x
    x = 12,301,155.28/3,941.43
  6. Step 6: Final answer
    x = 3,120.99

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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.