Home / 3,938.32-5,907.48-1,165.06

Finding the Fourth Proportional to 3,938.32, 5,907.48 and 1,165.06

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Solution

The fourth proportional to 3,938.32, 5,907.48 and 1,165.06 is: 1,747.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.32 : 5,907.48 = 1,165.06 : x
  2. Step 2: Convert to fraction form
    3,938.32/5,907.48 = 1,165.06/x
  3. Step 3: Cross multiply
    3,938.32x = 5,907.48 × 1,165.06
  4. Step 4: Simplify right side
    3,938.32x = 6,882,568.65
  5. Step 5: Solve for x
    x = 6,882,568.65/3,938.32
  6. Step 6: Final answer
    x = 1,747.59

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Similar ratio
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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.