Home / 2,930.66-4,396.89-1,199.42

Finding the Fourth Proportional to 2,930.66, 4,396.89 and 1,199.42

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Solution

The fourth proportional to 2,930.66, 4,396.89 and 1,199.42 is: 1,799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.66 : 4,396.89 = 1,199.42 : x
  2. Step 2: Convert to fraction form
    2,930.66/4,396.89 = 1,199.42/x
  3. Step 3: Cross multiply
    2,930.66x = 4,396.89 × 1,199.42
  4. Step 4: Simplify right side
    2,930.66x = 5,273,717.80
  5. Step 5: Solve for x
    x = 5,273,717.80/2,930.66
  6. Step 6: Final answer
    x = 1,799.50

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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.