Home / 3,274.89-4,509.43-2,799.19

Finding the Fourth Proportional to 3,274.89, 4,509.43 and 2,799.19

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Solution

The fourth proportional to 3,274.89, 4,509.43 and 2,799.19 is: 3,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.89 : 4,509.43 = 2,799.19 : x
  2. Step 2: Convert to fraction form
    3,274.89/4,509.43 = 2,799.19/x
  3. Step 3: Cross multiply
    3,274.89x = 4,509.43 × 2,799.19
  4. Step 4: Simplify right side
    3,274.89x = 12,622,751.36
  5. Step 5: Solve for x
    x = 12,622,751.36/3,274.89
  6. Step 6: Final answer
    x = 3,854.40

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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.