Home / 3,632.24-5,443.12-1,781.27

Finding the Fourth Proportional to 3,632.24, 5,443.12 and 1,781.27

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Solution

The fourth proportional to 3,632.24, 5,443.12 and 1,781.27 is: 2,669.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,632.24 : 5,443.12 = 1,781.27 : x
  2. Step 2: Convert to fraction form
    3,632.24/5,443.12 = 1,781.27/x
  3. Step 3: Cross multiply
    3,632.24x = 5,443.12 × 1,781.27
  4. Step 4: Simplify right side
    3,632.24x = 9,695,651.49
  5. Step 5: Solve for x
    x = 9,695,651.49/3,632.24
  6. Step 6: Final answer
    x = 2,669.33

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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.