Home / 2,917.89-4,373.19-1,161.09

Finding the Fourth Proportional to 2,917.89, 4,373.19 and 1,161.09

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Solution

The fourth proportional to 2,917.89, 4,373.19 and 1,161.09 is: 1,740.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.89 : 4,373.19 = 1,161.09 : x
  2. Step 2: Convert to fraction form
    2,917.89/4,373.19 = 1,161.09/x
  3. Step 3: Cross multiply
    2,917.89x = 4,373.19 × 1,161.09
  4. Step 4: Simplify right side
    2,917.89x = 5,077,667.18
  5. Step 5: Solve for x
    x = 5,077,667.18/2,917.89
  6. Step 6: Final answer
    x = 1,740.18

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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.