Home / 3,318.37-4,971.91-1,650.28

Finding the Fourth Proportional to 3,318.37, 4,971.91 and 1,650.28

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Solution

The fourth proportional to 3,318.37, 4,971.91 and 1,650.28 is: 2,472.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.37 : 4,971.91 = 1,650.28 : x
  2. Step 2: Convert to fraction form
    3,318.37/4,971.91 = 1,650.28/x
  3. Step 3: Cross multiply
    3,318.37x = 4,971.91 × 1,650.28
  4. Step 4: Simplify right side
    3,318.37x = 8,205,043.63
  5. Step 5: Solve for x
    x = 8,205,043.63/3,318.37
  6. Step 6: Final answer
    x = 2,472.61

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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.