Home / 3,719.26-5,575.56-1,412.38

Finding the Fourth Proportional to 3,719.26, 5,575.56 and 1,412.38

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Solution

The fourth proportional to 3,719.26, 5,575.56 and 1,412.38 is: 2,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.26 : 5,575.56 = 1,412.38 : x
  2. Step 2: Convert to fraction form
    3,719.26/5,575.56 = 1,412.38/x
  3. Step 3: Cross multiply
    3,719.26x = 5,575.56 × 1,412.38
  4. Step 4: Simplify right side
    3,719.26x = 7,874,809.43
  5. Step 5: Solve for x
    x = 7,874,809.43/3,719.26
  6. Step 6: Final answer
    x = 2,117.31

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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.