Home / 2,009.36-3,015.32-1,085.56

Finding the Fourth Proportional to 2,009.36, 3,015.32 and 1,085.56

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Solution

The fourth proportional to 2,009.36, 3,015.32 and 1,085.56 is: 1,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.36 : 3,015.32 = 1,085.56 : x
  2. Step 2: Convert to fraction form
    2,009.36/3,015.32 = 1,085.56/x
  3. Step 3: Cross multiply
    2,009.36x = 3,015.32 × 1,085.56
  4. Step 4: Simplify right side
    2,009.36x = 3,273,305.95
  5. Step 5: Solve for x
    x = 3,273,305.95/2,009.36
  6. Step 6: Final answer
    x = 1,629.03

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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.