Home / 2,833.28-3,908.66-1,888.15

Finding the Fourth Proportional to 2,833.28, 3,908.66 and 1,888.15

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Solution

The fourth proportional to 2,833.28, 3,908.66 and 1,888.15 is: 2,604.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.28 : 3,908.66 = 1,888.15 : x
  2. Step 2: Convert to fraction form
    2,833.28/3,908.66 = 1,888.15/x
  3. Step 3: Cross multiply
    2,833.28x = 3,908.66 × 1,888.15
  4. Step 4: Simplify right side
    2,833.28x = 7,380,131.33
  5. Step 5: Solve for x
    x = 7,380,131.33/2,833.28
  6. Step 6: Final answer
    x = 2,604.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.