Home / 2,832.48-4,243.19-1,855.62

Finding the Fourth Proportional to 2,832.48, 4,243.19 and 1,855.62

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Solution

The fourth proportional to 2,832.48, 4,243.19 and 1,855.62 is: 2,779.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.48 : 4,243.19 = 1,855.62 : x
  2. Step 2: Convert to fraction form
    2,832.48/4,243.19 = 1,855.62/x
  3. Step 3: Cross multiply
    2,832.48x = 4,243.19 × 1,855.62
  4. Step 4: Simplify right side
    2,832.48x = 7,873,742.67
  5. Step 5: Solve for x
    x = 7,873,742.67/2,832.48
  6. Step 6: Final answer
    x = 2,779.81

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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.