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Finding the Fourth Proportional to 3,352.86, 4,629.15 and 2,175.66

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Solution

The fourth proportional to 3,352.86, 4,629.15 and 2,175.66 is: 3,003.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,352.86 : 4,629.15 = 2,175.66 : x
  2. Step 2: Convert to fraction form
    3,352.86/4,629.15 = 2,175.66/x
  3. Step 3: Cross multiply
    3,352.86x = 4,629.15 × 2,175.66
  4. Step 4: Simplify right side
    3,352.86x = 10,071,456.49
  5. Step 5: Solve for x
    x = 10,071,456.49/3,352.86
  6. Step 6: Final answer
    x = 3,003.84

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.