Home / 3,040.88-4,561.32-1,285.61

Finding the Fourth Proportional to 3,040.88, 4,561.32 and 1,285.61

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Solution

The fourth proportional to 3,040.88, 4,561.32 and 1,285.61 is: 1,928.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.88 : 4,561.32 = 1,285.61 : x
  2. Step 2: Convert to fraction form
    3,040.88/4,561.32 = 1,285.61/x
  3. Step 3: Cross multiply
    3,040.88x = 4,561.32 × 1,285.61
  4. Step 4: Simplify right side
    3,040.88x = 5,864,055.80
  5. Step 5: Solve for x
    x = 5,864,055.80/3,040.88
  6. Step 6: Final answer
    x = 1,928.41

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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.