Home / 3,517.22-5,271.74-1,324.56

Finding the Fourth Proportional to 3,517.22, 5,271.74 and 1,324.56

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Solution

The fourth proportional to 3,517.22, 5,271.74 and 1,324.56 is: 1,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.22 : 5,271.74 = 1,324.56 : x
  2. Step 2: Convert to fraction form
    3,517.22/5,271.74 = 1,324.56/x
  3. Step 3: Cross multiply
    3,517.22x = 5,271.74 × 1,324.56
  4. Step 4: Simplify right side
    3,517.22x = 6,982,735.93
  5. Step 5: Solve for x
    x = 6,982,735.93/3,517.22
  6. Step 6: Final answer
    x = 1,985.30

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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.