Home / 2,086.36-3,126.84-1,825.74

Finding the Fourth Proportional to 2,086.36, 3,126.84 and 1,825.74

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Solution

The fourth proportional to 2,086.36, 3,126.84 and 1,825.74 is: 2,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086.36 : 3,126.84 = 1,825.74 : x
  2. Step 2: Convert to fraction form
    2,086.36/3,126.84 = 1,825.74/x
  3. Step 3: Cross multiply
    2,086.36x = 3,126.84 × 1,825.74
  4. Step 4: Simplify right side
    2,086.36x = 5,708,790.02
  5. Step 5: Solve for x
    x = 5,708,790.02/2,086.36
  6. Step 6: Final answer
    x = 2,736.25

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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.