Home / 2,079.55-3,110.14-1,850.05

Finding the Fourth Proportional to 2,079.55, 3,110.14 and 1,850.05

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Solution

The fourth proportional to 2,079.55, 3,110.14 and 1,850.05 is: 2,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.55 : 3,110.14 = 1,850.05 : x
  2. Step 2: Convert to fraction form
    2,079.55/3,110.14 = 1,850.05/x
  3. Step 3: Cross multiply
    2,079.55x = 3,110.14 × 1,850.05
  4. Step 4: Simplify right side
    2,079.55x = 5,753,914.51
  5. Step 5: Solve for x
    x = 5,753,914.51/2,079.55
  6. Step 6: Final answer
    x = 2,766.90

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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.