Home / 3,466.56-5,202.77-1,388.02

Finding the Fourth Proportional to 3,466.56, 5,202.77 and 1,388.02

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Solution

The fourth proportional to 3,466.56, 5,202.77 and 1,388.02 is: 2,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.56 : 5,202.77 = 1,388.02 : x
  2. Step 2: Convert to fraction form
    3,466.56/5,202.77 = 1,388.02/x
  3. Step 3: Cross multiply
    3,466.56x = 5,202.77 × 1,388.02
  4. Step 4: Simplify right side
    3,466.56x = 7,221,548.82
  5. Step 5: Solve for x
    x = 7,221,548.82/3,466.56
  6. Step 6: Final answer
    x = 2,083.20

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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.