Home / 3,717.09-5,576.45-2,158.11

Finding the Fourth Proportional to 3,717.09, 5,576.45 and 2,158.11

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Solution

The fourth proportional to 3,717.09, 5,576.45 and 2,158.11 is: 3,237.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.09 : 5,576.45 = 2,158.11 : x
  2. Step 2: Convert to fraction form
    3,717.09/5,576.45 = 2,158.11/x
  3. Step 3: Cross multiply
    3,717.09x = 5,576.45 × 2,158.11
  4. Step 4: Simplify right side
    3,717.09x = 12,034,581.72
  5. Step 5: Solve for x
    x = 12,034,581.72/3,717.09
  6. Step 6: Final answer
    x = 3,237.64

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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.