Home / 2,809.07-4,185.56-2,683.31

Finding the Fourth Proportional to 2,809.07, 4,185.56 and 2,683.31

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Solution

The fourth proportional to 2,809.07, 4,185.56 and 2,683.31 is: 3,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809.07 : 4,185.56 = 2,683.31 : x
  2. Step 2: Convert to fraction form
    2,809.07/4,185.56 = 2,683.31/x
  3. Step 3: Cross multiply
    2,809.07x = 4,185.56 × 2,683.31
  4. Step 4: Simplify right side
    2,809.07x = 11,231,120.66
  5. Step 5: Solve for x
    x = 11,231,120.66/2,809.07
  6. Step 6: Final answer
    x = 3,998.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.