Home / 2,619.49-3,926.97-1,059.43

Finding the Fourth Proportional to 2,619.49, 3,926.97 and 1,059.43

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Solution

The fourth proportional to 2,619.49, 3,926.97 and 1,059.43 is: 1,588.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.49 : 3,926.97 = 1,059.43 : x
  2. Step 2: Convert to fraction form
    2,619.49/3,926.97 = 1,059.43/x
  3. Step 3: Cross multiply
    2,619.49x = 3,926.97 × 1,059.43
  4. Step 4: Simplify right side
    2,619.49x = 4,160,349.83
  5. Step 5: Solve for x
    x = 4,160,349.83/2,619.49
  6. Step 6: Final answer
    x = 1,588.23

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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.