Home / 3,357.26-5,036.72-1,971.75

Finding the Fourth Proportional to 3,357.26, 5,036.72 and 1,971.75

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Solution

The fourth proportional to 3,357.26, 5,036.72 and 1,971.75 is: 2,958.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.26 : 5,036.72 = 1,971.75 : x
  2. Step 2: Convert to fraction form
    3,357.26/5,036.72 = 1,971.75/x
  3. Step 3: Cross multiply
    3,357.26x = 5,036.72 × 1,971.75
  4. Step 4: Simplify right side
    3,357.26x = 9,931,142.80
  5. Step 5: Solve for x
    x = 9,931,142.80/3,357.26
  6. Step 6: Final answer
    x = 2,958.11

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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.