Home / 1,909.26-2,863.35-1,359.81

Finding the Fourth Proportional to 1,909.26, 2,863.35 and 1,359.81

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Solution

The fourth proportional to 1,909.26, 2,863.35 and 1,359.81 is: 2,039.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909.26 : 2,863.35 = 1,359.81 : x
  2. Step 2: Convert to fraction form
    1,909.26/2,863.35 = 1,359.81/x
  3. Step 3: Cross multiply
    1,909.26x = 2,863.35 × 1,359.81
  4. Step 4: Simplify right side
    1,909.26x = 3,893,611.96
  5. Step 5: Solve for x
    x = 3,893,611.96/1,909.26
  6. Step 6: Final answer
    x = 2,039.33

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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.