Home / 3,040.46-4,195.77-1,781.36

Finding the Fourth Proportional to 3,040.46, 4,195.77 and 1,781.36

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Solution

The fourth proportional to 3,040.46, 4,195.77 and 1,781.36 is: 2,458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.46 : 4,195.77 = 1,781.36 : x
  2. Step 2: Convert to fraction form
    3,040.46/4,195.77 = 1,781.36/x
  3. Step 3: Cross multiply
    3,040.46x = 4,195.77 × 1,781.36
  4. Step 4: Simplify right side
    3,040.46x = 7,474,176.85
  5. Step 5: Solve for x
    x = 7,474,176.85/3,040.46
  6. Step 6: Final answer
    x = 2,458.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.