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Finding the Fourth Proportional to 3,329.66, 4,995.18 and 1,249.62

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Solution

The fourth proportional to 3,329.66, 4,995.18 and 1,249.62 is: 1,874.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.66 : 4,995.18 = 1,249.62 : x
  2. Step 2: Convert to fraction form
    3,329.66/4,995.18 = 1,249.62/x
  3. Step 3: Cross multiply
    3,329.66x = 4,995.18 × 1,249.62
  4. Step 4: Simplify right side
    3,329.66x = 6,242,076.83
  5. Step 5: Solve for x
    x = 6,242,076.83/3,329.66
  6. Step 6: Final answer
    x = 1,874.69

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1.5x scale

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.