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Finding the Fourth Proportional to 3,297.83, 4,946.21 and 1,218.81

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Solution

The fourth proportional to 3,297.83, 4,946.21 and 1,218.81 is: 1,828.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.83 : 4,946.21 = 1,218.81 : x
  2. Step 2: Convert to fraction form
    3,297.83/4,946.21 = 1,218.81/x
  3. Step 3: Cross multiply
    3,297.83x = 4,946.21 × 1,218.81
  4. Step 4: Simplify right side
    3,297.83x = 6,028,484.12
  5. Step 5: Solve for x
    x = 6,028,484.12/3,297.83
  6. Step 6: Final answer
    x = 1,828.02

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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.