Home / 3,580.44-5,370.42-1,240.38

Finding the Fourth Proportional to 3,580.44, 5,370.42 and 1,240.38

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Solution

The fourth proportional to 3,580.44, 5,370.42 and 1,240.38 is: 1,860.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.44 : 5,370.42 = 1,240.38 : x
  2. Step 2: Convert to fraction form
    3,580.44/5,370.42 = 1,240.38/x
  3. Step 3: Cross multiply
    3,580.44x = 5,370.42 × 1,240.38
  4. Step 4: Simplify right side
    3,580.44x = 6,661,361.56
  5. Step 5: Solve for x
    x = 6,661,361.56/3,580.44
  6. Step 6: Final answer
    x = 1,860.49

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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.