Home / 3,167.34-4,749.57-1,318.02

Finding the Fourth Proportional to 3,167.34, 4,749.57 and 1,318.02

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Solution

The fourth proportional to 3,167.34, 4,749.57 and 1,318.02 is: 1,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.34 : 4,749.57 = 1,318.02 : x
  2. Step 2: Convert to fraction form
    3,167.34/4,749.57 = 1,318.02/x
  3. Step 3: Cross multiply
    3,167.34x = 4,749.57 × 1,318.02
  4. Step 4: Simplify right side
    3,167.34x = 6,260,028.25
  5. Step 5: Solve for x
    x = 6,260,028.25/3,167.34
  6. Step 6: Final answer
    x = 1,976.43

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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.