Home / 3,133.92-4,701.36-1,489.57

Finding the Fourth Proportional to 3,133.92, 4,701.36 and 1,489.57

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Solution

The fourth proportional to 3,133.92, 4,701.36 and 1,489.57 is: 2,234.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.92 : 4,701.36 = 1,489.57 : x
  2. Step 2: Convert to fraction form
    3,133.92/4,701.36 = 1,489.57/x
  3. Step 3: Cross multiply
    3,133.92x = 4,701.36 × 1,489.57
  4. Step 4: Simplify right side
    3,133.92x = 7,003,004.82
  5. Step 5: Solve for x
    x = 7,003,004.82/3,133.92
  6. Step 6: Final answer
    x = 2,234.58

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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.