Home / 2,231.08-3,343.97-1,681.45

Finding the Fourth Proportional to 2,231.08, 3,343.97 and 1,681.45

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Solution

The fourth proportional to 2,231.08, 3,343.97 and 1,681.45 is: 2,520.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.08 : 3,343.97 = 1,681.45 : x
  2. Step 2: Convert to fraction form
    2,231.08/3,343.97 = 1,681.45/x
  3. Step 3: Cross multiply
    2,231.08x = 3,343.97 × 1,681.45
  4. Step 4: Simplify right side
    2,231.08x = 5,622,709.95
  5. Step 5: Solve for x
    x = 5,622,709.95/2,231.08
  6. Step 6: Final answer
    x = 2,520.17

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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.