Home / 3,769.80-5,201.64-2,176.08

Finding the Fourth Proportional to 3,769.80, 5,201.64 and 2,176.08

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Solution

The fourth proportional to 3,769.80, 5,201.64 and 2,176.08 is: 3,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.80 : 5,201.64 = 2,176.08 : x
  2. Step 2: Convert to fraction form
    3,769.80/5,201.64 = 2,176.08/x
  3. Step 3: Cross multiply
    3,769.80x = 5,201.64 × 2,176.08
  4. Step 4: Simplify right side
    3,769.80x = 11,319,184.77
  5. Step 5: Solve for x
    x = 11,319,184.77/3,769.80
  6. Step 6: Final answer
    x = 3,002.60

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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.