Home / 3,293.07-4,540-2,112.09

Finding the Fourth Proportional to 3,293.07, 4,540 and 2,112.09

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Solution

The fourth proportional to 3,293.07, 4,540 and 2,112.09 is: 2,911.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.07 : 4,540 = 2,112.09 : x
  2. Step 2: Convert to fraction form
    3,293.07/4,540 = 2,112.09/x
  3. Step 3: Cross multiply
    3,293.07x = 4,540 × 2,112.09
  4. Step 4: Simplify right side
    3,293.07x = 9,588,888.60
  5. Step 5: Solve for x
    x = 9,588,888.60/3,293.07
  6. Step 6: Final answer
    x = 2,911.84

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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.