Home / 3,832.30-5,290.68-3,608.20

Finding the Fourth Proportional to 3,832.30, 5,290.68 and 3,608.20

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Solution

The fourth proportional to 3,832.30, 5,290.68 and 3,608.20 is: 4,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.30 : 5,290.68 = 3,608.20 : x
  2. Step 2: Convert to fraction form
    3,832.30/5,290.68 = 3,608.20/x
  3. Step 3: Cross multiply
    3,832.30x = 5,290.68 × 3,608.20
  4. Step 4: Simplify right side
    3,832.30x = 19,089,831.58
  5. Step 5: Solve for x
    x = 19,089,831.58/3,832.30
  6. Step 6: Final answer
    x = 4,981.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.