Home / 3,776.52-5,211.60-2,097.90

Finding the Fourth Proportional to 3,776.52, 5,211.60 and 2,097.90

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Solution

The fourth proportional to 3,776.52, 5,211.60 and 2,097.90 is: 2,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.52 : 5,211.60 = 2,097.90 : x
  2. Step 2: Convert to fraction form
    3,776.52/5,211.60 = 2,097.90/x
  3. Step 3: Cross multiply
    3,776.52x = 5,211.60 × 2,097.90
  4. Step 4: Simplify right side
    3,776.52x = 10,933,415.64
  5. Step 5: Solve for x
    x = 10,933,415.64/3,776.52
  6. Step 6: Final answer
    x = 2,895.10

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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.