Home / 3,685.11-5,084.22-2,091.60

Finding the Fourth Proportional to 3,685.11, 5,084.22 and 2,091.60

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Solution

The fourth proportional to 3,685.11, 5,084.22 and 2,091.60 is: 2,885.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.11 : 5,084.22 = 2,091.60 : x
  2. Step 2: Convert to fraction form
    3,685.11/5,084.22 = 2,091.60/x
  3. Step 3: Cross multiply
    3,685.11x = 5,084.22 × 2,091.60
  4. Step 4: Simplify right side
    3,685.11x = 10,634,154.55
  5. Step 5: Solve for x
    x = 10,634,154.55/3,685.11
  6. Step 6: Final answer
    x = 2,885.71

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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.