Home / 3,743.14-5,615.26-1,145.74

Finding the Fourth Proportional to 3,743.14, 5,615.26 and 1,145.74

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Solution

The fourth proportional to 3,743.14, 5,615.26 and 1,145.74 is: 1,718.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.14 : 5,615.26 = 1,145.74 : x
  2. Step 2: Convert to fraction form
    3,743.14/5,615.26 = 1,145.74/x
  3. Step 3: Cross multiply
    3,743.14x = 5,615.26 × 1,145.74
  4. Step 4: Simplify right side
    3,743.14x = 6,433,627.99
  5. Step 5: Solve for x
    x = 6,433,627.99/3,743.14
  6. Step 6: Final answer
    x = 1,718.78

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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.