Home / 2,791.50-4,190.88-2,361.38

Finding the Fourth Proportional to 2,791.50, 4,190.88 and 2,361.38

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Solution

The fourth proportional to 2,791.50, 4,190.88 and 2,361.38 is: 3,545.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.50 : 4,190.88 = 2,361.38 : x
  2. Step 2: Convert to fraction form
    2,791.50/4,190.88 = 2,361.38/x
  3. Step 3: Cross multiply
    2,791.50x = 4,190.88 × 2,361.38
  4. Step 4: Simplify right side
    2,791.50x = 9,896,260.21
  5. Step 5: Solve for x
    x = 9,896,260.21/2,791.50
  6. Step 6: Final answer
    x = 3,545.14

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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.