Home / 3,840.26-5,760.39-1,066.82

Finding the Fourth Proportional to 3,840.26, 5,760.39 and 1,066.82

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Solution

The fourth proportional to 3,840.26, 5,760.39 and 1,066.82 is: 1,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.26 : 5,760.39 = 1,066.82 : x
  2. Step 2: Convert to fraction form
    3,840.26/5,760.39 = 1,066.82/x
  3. Step 3: Cross multiply
    3,840.26x = 5,760.39 × 1,066.82
  4. Step 4: Simplify right side
    3,840.26x = 6,145,299.26
  5. Step 5: Solve for x
    x = 6,145,299.26/3,840.26
  6. Step 6: Final answer
    x = 1,600.23

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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.