Home / 3,744.12-5,615.97-1,147.06

Finding the Fourth Proportional to 3,744.12, 5,615.97 and 1,147.06

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Solution

The fourth proportional to 3,744.12, 5,615.97 and 1,147.06 is: 1,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.12 : 5,615.97 = 1,147.06 : x
  2. Step 2: Convert to fraction form
    3,744.12/5,615.97 = 1,147.06/x
  3. Step 3: Cross multiply
    3,744.12x = 5,615.97 × 1,147.06
  4. Step 4: Simplify right side
    3,744.12x = 6,441,854.55
  5. Step 5: Solve for x
    x = 6,441,854.55/3,744.12
  6. Step 6: Final answer
    x = 1,720.53

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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.