Home / 3,290.88-4,540.92-1,893.36

Finding the Fourth Proportional to 3,290.88, 4,540.92 and 1,893.36

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Solution

The fourth proportional to 3,290.88, 4,540.92 and 1,893.36 is: 2,612.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.88 : 4,540.92 = 1,893.36 : x
  2. Step 2: Convert to fraction form
    3,290.88/4,540.92 = 1,893.36/x
  3. Step 3: Cross multiply
    3,290.88x = 4,540.92 × 1,893.36
  4. Step 4: Simplify right side
    3,290.88x = 8,597,596.29
  5. Step 5: Solve for x
    x = 8,597,596.29/3,290.88
  6. Step 6: Final answer
    x = 2,612.55

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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.