Home / 3,933.60-5,423.76-2,361.12

Finding the Fourth Proportional to 3,933.60, 5,423.76 and 2,361.12

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Solution

The fourth proportional to 3,933.60, 5,423.76 and 2,361.12 is: 3,255.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.60 : 5,423.76 = 2,361.12 : x
  2. Step 2: Convert to fraction form
    3,933.60/5,423.76 = 2,361.12/x
  3. Step 3: Cross multiply
    3,933.60x = 5,423.76 × 2,361.12
  4. Step 4: Simplify right side
    3,933.60x = 12,806,148.21
  5. Step 5: Solve for x
    x = 12,806,148.21/3,933.60
  6. Step 6: Final answer
    x = 3,255.58

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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.