Home / 3,942.24-5,915.34-2,626.88

Finding the Fourth Proportional to 3,942.24, 5,915.34 and 2,626.88

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Solution

The fourth proportional to 3,942.24, 5,915.34 and 2,626.88 is: 3,941.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.24 : 5,915.34 = 2,626.88 : x
  2. Step 2: Convert to fraction form
    3,942.24/5,915.34 = 2,626.88/x
  3. Step 3: Cross multiply
    3,942.24x = 5,915.34 × 2,626.88
  4. Step 4: Simplify right side
    3,942.24x = 15,538,888.34
  5. Step 5: Solve for x
    x = 15,538,888.34/3,942.24
  6. Step 6: Final answer
    x = 3,941.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.