Home / 3,292.72-4,940.39-1,102.07

Finding the Fourth Proportional to 3,292.72, 4,940.39 and 1,102.07

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Solution

The fourth proportional to 3,292.72, 4,940.39 and 1,102.07 is: 1,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.72 : 4,940.39 = 1,102.07 : x
  2. Step 2: Convert to fraction form
    3,292.72/4,940.39 = 1,102.07/x
  3. Step 3: Cross multiply
    3,292.72x = 4,940.39 × 1,102.07
  4. Step 4: Simplify right side
    3,292.72x = 5,444,670.71
  5. Step 5: Solve for x
    x = 5,444,670.71/3,292.72
  6. Step 6: Final answer
    x = 1,653.55

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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.