Home / 2,849.06-4,267.91-1,872.20

Finding the Fourth Proportional to 2,849.06, 4,267.91 and 1,872.20

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Solution

The fourth proportional to 2,849.06, 4,267.91 and 1,872.20 is: 2,804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.06 : 4,267.91 = 1,872.20 : x
  2. Step 2: Convert to fraction form
    2,849.06/4,267.91 = 1,872.20/x
  3. Step 3: Cross multiply
    2,849.06x = 4,267.91 × 1,872.20
  4. Step 4: Simplify right side
    2,849.06x = 7,990,350.40
  5. Step 5: Solve for x
    x = 7,990,350.40/2,849.06
  6. Step 6: Final answer
    x = 2,804.56

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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.