Home / 2,832.98-4,243.94-1,856.12

Finding the Fourth Proportional to 2,832.98, 4,243.94 and 1,856.12

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Solution

The fourth proportional to 2,832.98, 4,243.94 and 1,856.12 is: 2,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.98 : 4,243.94 = 1,856.12 : x
  2. Step 2: Convert to fraction form
    2,832.98/4,243.94 = 1,856.12/x
  3. Step 3: Cross multiply
    2,832.98x = 4,243.94 × 1,856.12
  4. Step 4: Simplify right side
    2,832.98x = 7,877,240.69
  5. Step 5: Solve for x
    x = 7,877,240.69/2,832.98
  6. Step 6: Final answer
    x = 2,780.55

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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.