Home / 3,907.32-5,858.24-1,958.15

Finding the Fourth Proportional to 3,907.32, 5,858.24 and 1,958.15

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Solution

The fourth proportional to 3,907.32, 5,858.24 and 1,958.15 is: 2,935.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.32 : 5,858.24 = 1,958.15 : x
  2. Step 2: Convert to fraction form
    3,907.32/5,858.24 = 1,958.15/x
  3. Step 3: Cross multiply
    3,907.32x = 5,858.24 × 1,958.15
  4. Step 4: Simplify right side
    3,907.32x = 11,471,273.57
  5. Step 5: Solve for x
    x = 11,471,273.57/3,907.32
  6. Step 6: Final answer
    x = 2,935.84

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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.