Home / 3,351.06-5,027.80-1,618.47

Finding the Fourth Proportional to 3,351.06, 5,027.80 and 1,618.47

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Solution

The fourth proportional to 3,351.06, 5,027.80 and 1,618.47 is: 2,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.06 : 5,027.80 = 1,618.47 : x
  2. Step 2: Convert to fraction form
    3,351.06/5,027.80 = 1,618.47/x
  3. Step 3: Cross multiply
    3,351.06x = 5,027.80 × 1,618.47
  4. Step 4: Simplify right side
    3,351.06x = 8,137,343.47
  5. Step 5: Solve for x
    x = 8,137,343.47/3,351.06
  6. Step 6: Final answer
    x = 2,428.29

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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.