Home / 2,619.22-3,926.40-1,159.24

Finding the Fourth Proportional to 2,619.22, 3,926.40 and 1,159.24

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Solution

The fourth proportional to 2,619.22, 3,926.40 and 1,159.24 is: 1,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.22 : 3,926.40 = 1,159.24 : x
  2. Step 2: Convert to fraction form
    2,619.22/3,926.40 = 1,159.24/x
  3. Step 3: Cross multiply
    2,619.22x = 3,926.40 × 1,159.24
  4. Step 4: Simplify right side
    2,619.22x = 4,551,639.94
  5. Step 5: Solve for x
    x = 4,551,639.94/2,619.22
  6. Step 6: Final answer
    x = 1,737.78

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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.