Home / 3,290.10-4,540.35-1,797.98

Finding the Fourth Proportional to 3,290.10, 4,540.35 and 1,797.98

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Solution

The fourth proportional to 3,290.10, 4,540.35 and 1,797.98 is: 2,481.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.10 : 4,540.35 = 1,797.98 : x
  2. Step 2: Convert to fraction form
    3,290.10/4,540.35 = 1,797.98/x
  3. Step 3: Cross multiply
    3,290.10x = 4,540.35 × 1,797.98
  4. Step 4: Simplify right side
    3,290.10x = 8,163,435.79
  5. Step 5: Solve for x
    x = 8,163,435.79/3,290.10
  6. Step 6: Final answer
    x = 2,481.21

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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.