Home / 2,832.18-3,906.42-1,950.12

Finding the Fourth Proportional to 2,832.18, 3,906.42 and 1,950.12

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Solution

The fourth proportional to 2,832.18, 3,906.42 and 1,950.12 is: 2,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.18 : 3,906.42 = 1,950.12 : x
  2. Step 2: Convert to fraction form
    2,832.18/3,906.42 = 1,950.12/x
  3. Step 3: Cross multiply
    2,832.18x = 3,906.42 × 1,950.12
  4. Step 4: Simplify right side
    2,832.18x = 7,617,987.77
  5. Step 5: Solve for x
    x = 7,617,987.77/2,832.18
  6. Step 6: Final answer
    x = 2,689.80

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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.