Home / 2,723.13-4,081.10-990.09

Finding the Fourth Proportional to 2,723.13, 4,081.10 and 990.09

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Solution

The fourth proportional to 2,723.13, 4,081.10 and 990.09 is: 1,483.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.13 : 4,081.10 = 990.09 : x
  2. Step 2: Convert to fraction form
    2,723.13/4,081.10 = 990.09/x
  3. Step 3: Cross multiply
    2,723.13x = 4,081.10 × 990.09
  4. Step 4: Simplify right side
    2,723.13x = 4,040,651.35
  5. Step 5: Solve for x
    x = 4,040,651.35/2,723.13
  6. Step 6: Final answer
    x = 1,483.83

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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.