Home / 2,908.35-4,011.17-1,728.27

Finding the Fourth Proportional to 2,908.35, 4,011.17 and 1,728.27

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Solution

The fourth proportional to 2,908.35, 4,011.17 and 1,728.27 is: 2,383.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.35 : 4,011.17 = 1,728.27 : x
  2. Step 2: Convert to fraction form
    2,908.35/4,011.17 = 1,728.27/x
  3. Step 3: Cross multiply
    2,908.35x = 4,011.17 × 1,728.27
  4. Step 4: Simplify right side
    2,908.35x = 6,932,376.13
  5. Step 5: Solve for x
    x = 6,932,376.13/2,908.35
  6. Step 6: Final answer
    x = 2,383.61

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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.