Home / 3,743.75-5,615.60-1,435.25

Finding the Fourth Proportional to 3,743.75, 5,615.60 and 1,435.25

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Solution

The fourth proportional to 3,743.75, 5,615.60 and 1,435.25 is: 2,152.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.75 : 5,615.60 = 1,435.25 : x
  2. Step 2: Convert to fraction form
    3,743.75/5,615.60 = 1,435.25/x
  3. Step 3: Cross multiply
    3,743.75x = 5,615.60 × 1,435.25
  4. Step 4: Simplify right side
    3,743.75x = 8,059,796.76
  5. Step 5: Solve for x
    x = 8,059,796.76/3,743.75
  6. Step 6: Final answer
    x = 2,152.87

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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.