Home / 3,744.70-5,615.16-1,147.30

Finding the Fourth Proportional to 3,744.70, 5,615.16 and 1,147.30

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Solution

The fourth proportional to 3,744.70, 5,615.16 and 1,147.30 is: 1,720.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.70 : 5,615.16 = 1,147.30 : x
  2. Step 2: Convert to fraction form
    3,744.70/5,615.16 = 1,147.30/x
  3. Step 3: Cross multiply
    3,744.70x = 5,615.16 × 1,147.30
  4. Step 4: Simplify right side
    3,744.70x = 6,442,273.07
  5. Step 5: Solve for x
    x = 6,442,273.07/3,744.70
  6. Step 6: Final answer
    x = 1,720.37

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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.