Home / 3,241.30-4,859.43-1,680.70

Finding the Fourth Proportional to 3,241.30, 4,859.43 and 1,680.70

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Solution

The fourth proportional to 3,241.30, 4,859.43 and 1,680.70 is: 2,519.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.30 : 4,859.43 = 1,680.70 : x
  2. Step 2: Convert to fraction form
    3,241.30/4,859.43 = 1,680.70/x
  3. Step 3: Cross multiply
    3,241.30x = 4,859.43 × 1,680.70
  4. Step 4: Simplify right side
    3,241.30x = 8,167,244.00
  5. Step 5: Solve for x
    x = 8,167,244.00/3,241.30
  6. Step 6: Final answer
    x = 2,519.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.