Home / 3,166.15-4,749.43-1,218.35

Finding the Fourth Proportional to 3,166.15, 4,749.43 and 1,218.35

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Solution

The fourth proportional to 3,166.15, 4,749.43 and 1,218.35 is: 1,827.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.15 : 4,749.43 = 1,218.35 : x
  2. Step 2: Convert to fraction form
    3,166.15/4,749.43 = 1,218.35/x
  3. Step 3: Cross multiply
    3,166.15x = 4,749.43 × 1,218.35
  4. Step 4: Simplify right side
    3,166.15x = 5,786,476.87
  5. Step 5: Solve for x
    x = 5,786,476.87/3,166.15
  6. Step 6: Final answer
    x = 1,827.61

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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.