Home / 3,538.43-5,306.41-1,782.75

Finding the Fourth Proportional to 3,538.43, 5,306.41 and 1,782.75

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Solution

The fourth proportional to 3,538.43, 5,306.41 and 1,782.75 is: 2,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.43 : 5,306.41 = 1,782.75 : x
  2. Step 2: Convert to fraction form
    3,538.43/5,306.41 = 1,782.75/x
  3. Step 3: Cross multiply
    3,538.43x = 5,306.41 × 1,782.75
  4. Step 4: Simplify right side
    3,538.43x = 9,459,997.97
  5. Step 5: Solve for x
    x = 9,459,997.97/3,538.43
  6. Step 6: Final answer
    x = 2,673.51

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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.