Home / 3,293.79-4,537.80-2,112.81

Finding the Fourth Proportional to 3,293.79, 4,537.80 and 2,112.81

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Solution

The fourth proportional to 3,293.79, 4,537.80 and 2,112.81 is: 2,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.79 : 4,537.80 = 2,112.81 : x
  2. Step 2: Convert to fraction form
    3,293.79/4,537.80 = 2,112.81/x
  3. Step 3: Cross multiply
    3,293.79x = 4,537.80 × 2,112.81
  4. Step 4: Simplify right side
    3,293.79x = 9,587,509.22
  5. Step 5: Solve for x
    x = 9,587,509.22/3,293.79
  6. Step 6: Final answer
    x = 2,910.78

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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.