Home / 3,259.40-4,891.82-1,411.92

Finding the Fourth Proportional to 3,259.40, 4,891.82 and 1,411.92

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Solution

The fourth proportional to 3,259.40, 4,891.82 and 1,411.92 is: 2,119.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.40 : 4,891.82 = 1,411.92 : x
  2. Step 2: Convert to fraction form
    3,259.40/4,891.82 = 1,411.92/x
  3. Step 3: Cross multiply
    3,259.40x = 4,891.82 × 1,411.92
  4. Step 4: Simplify right side
    3,259.40x = 6,906,851.43
  5. Step 5: Solve for x
    x = 6,906,851.43/3,259.40
  6. Step 6: Final answer
    x = 2,119.06

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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.