Home / 3,318.08-4,972.64-1,264.96

Finding the Fourth Proportional to 3,318.08, 4,972.64 and 1,264.96

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Solution

The fourth proportional to 3,318.08, 4,972.64 and 1,264.96 is: 1,895.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.08 : 4,972.64 = 1,264.96 : x
  2. Step 2: Convert to fraction form
    3,318.08/4,972.64 = 1,264.96/x
  3. Step 3: Cross multiply
    3,318.08x = 4,972.64 × 1,264.96
  4. Step 4: Simplify right side
    3,318.08x = 6,290,190.69
  5. Step 5: Solve for x
    x = 6,290,190.69/3,318.08
  6. Step 6: Final answer
    x = 1,895.73

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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.