Home / 3,523.08-4,850.78-2,990.86

Finding the Fourth Proportional to 3,523.08, 4,850.78 and 2,990.86

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Solution

The fourth proportional to 3,523.08, 4,850.78 and 2,990.86 is: 4,117.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.08 : 4,850.78 = 2,990.86 : x
  2. Step 2: Convert to fraction form
    3,523.08/4,850.78 = 2,990.86/x
  3. Step 3: Cross multiply
    3,523.08x = 4,850.78 × 2,990.86
  4. Step 4: Simplify right side
    3,523.08x = 14,507,979.62
  5. Step 5: Solve for x
    x = 14,507,979.62/3,523.08
  6. Step 6: Final answer
    x = 4,117.99

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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.