Home / 3,318.46-4,976.01-1,857.22

Finding the Fourth Proportional to 3,318.46, 4,976.01 and 1,857.22

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Solution

The fourth proportional to 3,318.46, 4,976.01 and 1,857.22 is: 2,784.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.46 : 4,976.01 = 1,857.22 : x
  2. Step 2: Convert to fraction form
    3,318.46/4,976.01 = 1,857.22/x
  3. Step 3: Cross multiply
    3,318.46x = 4,976.01 × 1,857.22
  4. Step 4: Simplify right side
    3,318.46x = 9,241,545.29
  5. Step 5: Solve for x
    x = 9,241,545.29/3,318.46
  6. Step 6: Final answer
    x = 2,784.89

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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.