Home / 3,769.38-5,201.55-2,590.56

Finding the Fourth Proportional to 3,769.38, 5,201.55 and 2,590.56

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Solution

The fourth proportional to 3,769.38, 5,201.55 and 2,590.56 is: 3,574.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.38 : 5,201.55 = 2,590.56 : x
  2. Step 2: Convert to fraction form
    3,769.38/5,201.55 = 2,590.56/x
  3. Step 3: Cross multiply
    3,769.38x = 5,201.55 × 2,590.56
  4. Step 4: Simplify right side
    3,769.38x = 13,474,927.37
  5. Step 5: Solve for x
    x = 13,474,927.37/3,769.38
  6. Step 6: Final answer
    x = 3,574.84

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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.