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Finding the Fourth Proportional to 3,269.18, 4,903.81 and 803.99

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Solution

The fourth proportional to 3,269.18, 4,903.81 and 803.99 is: 1,206.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.18 : 4,903.81 = 803.99 : x
  2. Step 2: Convert to fraction form
    3,269.18/4,903.81 = 803.99/x
  3. Step 3: Cross multiply
    3,269.18x = 4,903.81 × 803.99
  4. Step 4: Simplify right side
    3,269.18x = 3,942,624.45
  5. Step 5: Solve for x
    x = 3,942,624.45/3,269.18
  6. Step 6: Final answer
    x = 1,206.00

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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.