Home / 3,769.79-5,201.64-2,176.07

Finding the Fourth Proportional to 3,769.79, 5,201.64 and 2,176.07

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Solution

The fourth proportional to 3,769.79, 5,201.64 and 2,176.07 is: 3,002.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.79 : 5,201.64 = 2,176.07 : x
  2. Step 2: Convert to fraction form
    3,769.79/5,201.64 = 2,176.07/x
  3. Step 3: Cross multiply
    3,769.79x = 5,201.64 × 2,176.07
  4. Step 4: Simplify right side
    3,769.79x = 11,319,106.75
  5. Step 5: Solve for x
    x = 11,319,106.75/3,769.79
  6. Step 6: Final answer
    x = 3,002.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.