Home / 3,640.94-5,458.67-1,174.29

Finding the Fourth Proportional to 3,640.94, 5,458.67 and 1,174.29

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Solution

The fourth proportional to 3,640.94, 5,458.67 and 1,174.29 is: 1,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.94 : 5,458.67 = 1,174.29 : x
  2. Step 2: Convert to fraction form
    3,640.94/5,458.67 = 1,174.29/x
  3. Step 3: Cross multiply
    3,640.94x = 5,458.67 × 1,174.29
  4. Step 4: Simplify right side
    3,640.94x = 6,410,061.59
  5. Step 5: Solve for x
    x = 6,410,061.59/3,640.94
  6. Step 6: Final answer
    x = 1,760.55

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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.