Home / 2,078.26-3,115.26-1,154.25

Finding the Fourth Proportional to 2,078.26, 3,115.26 and 1,154.25

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Solution

The fourth proportional to 2,078.26, 3,115.26 and 1,154.25 is: 1,730.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078.26 : 3,115.26 = 1,154.25 : x
  2. Step 2: Convert to fraction form
    2,078.26/3,115.26 = 1,154.25/x
  3. Step 3: Cross multiply
    2,078.26x = 3,115.26 × 1,154.25
  4. Step 4: Simplify right side
    2,078.26x = 3,595,788.86
  5. Step 5: Solve for x
    x = 3,595,788.86/2,078.26
  6. Step 6: Final answer
    x = 1,730.19

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1.5x scale

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.