Home / 3,939.60-5,907.40-2,296.56

Finding the Fourth Proportional to 3,939.60, 5,907.40 and 2,296.56

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Solution

The fourth proportional to 3,939.60, 5,907.40 and 2,296.56 is: 3,443.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.60 : 5,907.40 = 2,296.56 : x
  2. Step 2: Convert to fraction form
    3,939.60/5,907.40 = 2,296.56/x
  3. Step 3: Cross multiply
    3,939.60x = 5,907.40 × 2,296.56
  4. Step 4: Simplify right side
    3,939.60x = 13,566,698.54
  5. Step 5: Solve for x
    x = 13,566,698.54/3,939.60
  6. Step 6: Final answer
    x = 3,443.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.