Home / 2,231.96-3,349.02-1,365.80

Finding the Fourth Proportional to 2,231.96, 3,349.02 and 1,365.80

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Solution

The fourth proportional to 2,231.96, 3,349.02 and 1,365.80 is: 2,049.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.96 : 3,349.02 = 1,365.80 : x
  2. Step 2: Convert to fraction form
    2,231.96/3,349.02 = 1,365.80/x
  3. Step 3: Cross multiply
    2,231.96x = 3,349.02 × 1,365.80
  4. Step 4: Simplify right side
    2,231.96x = 4,574,091.52
  5. Step 5: Solve for x
    x = 4,574,091.52/2,231.96
  6. Step 6: Final answer
    x = 2,049.36

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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.