Home / 2,015.55-3,022.56-1,137.11

Finding the Fourth Proportional to 2,015.55, 3,022.56 and 1,137.11

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Solution

The fourth proportional to 2,015.55, 3,022.56 and 1,137.11 is: 1,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.55 : 3,022.56 = 1,137.11 : x
  2. Step 2: Convert to fraction form
    2,015.55/3,022.56 = 1,137.11/x
  3. Step 3: Cross multiply
    2,015.55x = 3,022.56 × 1,137.11
  4. Step 4: Simplify right side
    2,015.55x = 3,436,968.09
  5. Step 5: Solve for x
    x = 3,436,968.09/2,015.55
  6. Step 6: Final answer
    x = 1,705.23

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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.