Home / 3,485.73-5,227.49-1,145.19

Finding the Fourth Proportional to 3,485.73, 5,227.49 and 1,145.19

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Solution

The fourth proportional to 3,485.73, 5,227.49 and 1,145.19 is: 1,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.73 : 5,227.49 = 1,145.19 : x
  2. Step 2: Convert to fraction form
    3,485.73/5,227.49 = 1,145.19/x
  3. Step 3: Cross multiply
    3,485.73x = 5,227.49 × 1,145.19
  4. Step 4: Simplify right side
    3,485.73x = 5,986,470.60
  5. Step 5: Solve for x
    x = 5,986,470.60/3,485.73
  6. Step 6: Final answer
    x = 1,717.42

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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.