Home / 1,744.26-2,613.68-1,378.14

Finding the Fourth Proportional to 1,744.26, 2,613.68 and 1,378.14

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Solution

The fourth proportional to 1,744.26, 2,613.68 and 1,378.14 is: 2,065.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744.26 : 2,613.68 = 1,378.14 : x
  2. Step 2: Convert to fraction form
    1,744.26/2,613.68 = 1,378.14/x
  3. Step 3: Cross multiply
    1,744.26x = 2,613.68 × 1,378.14
  4. Step 4: Simplify right side
    1,744.26x = 3,602,016.96
  5. Step 5: Solve for x
    x = 3,602,016.96/1,744.26
  6. Step 6: Final answer
    x = 2,065.07

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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.