Home / 3,769.20-5,201.55-2,276.91

Finding the Fourth Proportional to 3,769.20, 5,201.55 and 2,276.91

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Solution

The fourth proportional to 3,769.20, 5,201.55 and 2,276.91 is: 3,142.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.20 : 5,201.55 = 2,276.91 : x
  2. Step 2: Convert to fraction form
    3,769.20/5,201.55 = 2,276.91/x
  3. Step 3: Cross multiply
    3,769.20x = 5,201.55 × 2,276.91
  4. Step 4: Simplify right side
    3,769.20x = 11,843,461.21
  5. Step 5: Solve for x
    x = 11,843,461.21/3,769.20
  6. Step 6: Final answer
    x = 3,142.17

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1.5x scale

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.