Home / 3,610.19-4,979.43-2,761.36

Finding the Fourth Proportional to 3,610.19, 4,979.43 and 2,761.36

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Solution

The fourth proportional to 3,610.19, 4,979.43 and 2,761.36 is: 3,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.19 : 4,979.43 = 2,761.36 : x
  2. Step 2: Convert to fraction form
    3,610.19/4,979.43 = 2,761.36/x
  3. Step 3: Cross multiply
    3,610.19x = 4,979.43 × 2,761.36
  4. Step 4: Simplify right side
    3,610.19x = 13,749,986.38
  5. Step 5: Solve for x
    x = 13,749,986.38/3,610.19
  6. Step 6: Final answer
    x = 3,808.66

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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.