Home / 2,764.08-4,147.56-2,175.48

Finding the Fourth Proportional to 2,764.08, 4,147.56 and 2,175.48

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Solution

The fourth proportional to 2,764.08, 4,147.56 and 2,175.48 is: 3,264.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.08 : 4,147.56 = 2,175.48 : x
  2. Step 2: Convert to fraction form
    2,764.08/4,147.56 = 2,175.48/x
  3. Step 3: Cross multiply
    2,764.08x = 4,147.56 × 2,175.48
  4. Step 4: Simplify right side
    2,764.08x = 9,022,933.83
  5. Step 5: Solve for x
    x = 9,022,933.83/2,764.08
  6. Step 6: Final answer
    x = 3,264.35

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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.