Home / 2,728.60-4,089.66-1,633.48

Finding the Fourth Proportional to 2,728.60, 4,089.66 and 1,633.48

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Solution

The fourth proportional to 2,728.60, 4,089.66 and 1,633.48 is: 2,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.60 : 4,089.66 = 1,633.48 : x
  2. Step 2: Convert to fraction form
    2,728.60/4,089.66 = 1,633.48/x
  3. Step 3: Cross multiply
    2,728.60x = 4,089.66 × 1,633.48
  4. Step 4: Simplify right side
    2,728.60x = 6,680,377.82
  5. Step 5: Solve for x
    x = 6,680,377.82/2,728.60
  6. Step 6: Final answer
    x = 2,448.28

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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.