Home / 3,318.36-4,974.78-1,562.49

Finding the Fourth Proportional to 3,318.36, 4,974.78 and 1,562.49

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Solution

The fourth proportional to 3,318.36, 4,974.78 and 1,562.49 is: 2,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.36 : 4,974.78 = 1,562.49 : x
  2. Step 2: Convert to fraction form
    3,318.36/4,974.78 = 1,562.49/x
  3. Step 3: Cross multiply
    3,318.36x = 4,974.78 × 1,562.49
  4. Step 4: Simplify right side
    3,318.36x = 7,773,044.00
  5. Step 5: Solve for x
    x = 7,773,044.00/3,318.36
  6. Step 6: Final answer
    x = 2,342.44

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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.