Home / 3,941.31-5,915.61-1,994.88

Finding the Fourth Proportional to 3,941.31, 5,915.61 and 1,994.88

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Solution

The fourth proportional to 3,941.31, 5,915.61 and 1,994.88 is: 2,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.31 : 5,915.61 = 1,994.88 : x
  2. Step 2: Convert to fraction form
    3,941.31/5,915.61 = 1,994.88/x
  3. Step 3: Cross multiply
    3,941.31x = 5,915.61 × 1,994.88
  4. Step 4: Simplify right side
    3,941.31x = 11,800,932.08
  5. Step 5: Solve for x
    x = 11,800,932.08/3,941.31
  6. Step 6: Final answer
    x = 2,994.16

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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.