Home / 3,485.24-5,227.61-1,145.22

Finding the Fourth Proportional to 3,485.24, 5,227.61 and 1,145.22

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Solution

The fourth proportional to 3,485.24, 5,227.61 and 1,145.22 is: 1,717.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.24 : 5,227.61 = 1,145.22 : x
  2. Step 2: Convert to fraction form
    3,485.24/5,227.61 = 1,145.22/x
  3. Step 3: Cross multiply
    3,485.24x = 5,227.61 × 1,145.22
  4. Step 4: Simplify right side
    3,485.24x = 5,986,760.66
  5. Step 5: Solve for x
    x = 5,986,760.66/3,485.24
  6. Step 6: Final answer
    x = 1,717.75

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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.