Home / 3,391.04-5,087.07-1,199.79

Finding the Fourth Proportional to 3,391.04, 5,087.07 and 1,199.79

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Solution

The fourth proportional to 3,391.04, 5,087.07 and 1,199.79 is: 1,799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.04 : 5,087.07 = 1,199.79 : x
  2. Step 2: Convert to fraction form
    3,391.04/5,087.07 = 1,199.79/x
  3. Step 3: Cross multiply
    3,391.04x = 5,087.07 × 1,199.79
  4. Step 4: Simplify right side
    3,391.04x = 6,103,415.72
  5. Step 5: Solve for x
    x = 6,103,415.72/3,391.04
  6. Step 6: Final answer
    x = 1,799.87

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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.