Home / 2,718.26-4,077.38-1,419.42

Finding the Fourth Proportional to 2,718.26, 4,077.38 and 1,419.42

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Solution

The fourth proportional to 2,718.26, 4,077.38 and 1,419.42 is: 2,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.26 : 4,077.38 = 1,419.42 : x
  2. Step 2: Convert to fraction form
    2,718.26/4,077.38 = 1,419.42/x
  3. Step 3: Cross multiply
    2,718.26x = 4,077.38 × 1,419.42
  4. Step 4: Simplify right side
    2,718.26x = 5,787,518.27
  5. Step 5: Solve for x
    x = 5,787,518.27/2,718.26
  6. Step 6: Final answer
    x = 2,129.13

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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.