Home / 3,837.12-5,727.66-3,292.80

Finding the Fourth Proportional to 3,837.12, 5,727.66 and 3,292.80

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Solution

The fourth proportional to 3,837.12, 5,727.66 and 3,292.80 is: 4,915.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.12 : 5,727.66 = 3,292.80 : x
  2. Step 2: Convert to fraction form
    3,837.12/5,727.66 = 3,292.80/x
  3. Step 3: Cross multiply
    3,837.12x = 5,727.66 × 3,292.80
  4. Step 4: Simplify right side
    3,837.12x = 18,860,032.76
  5. Step 5: Solve for x
    x = 18,860,032.76/3,837.12
  6. Step 6: Final answer
    x = 4,915.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.