Home / 2,092.66-3,138.99-1,519.18

Finding the Fourth Proportional to 2,092.66, 3,138.99 and 1,519.18

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Solution

The fourth proportional to 2,092.66, 3,138.99 and 1,519.18 is: 2,278.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.66 : 3,138.99 = 1,519.18 : x
  2. Step 2: Convert to fraction form
    2,092.66/3,138.99 = 1,519.18/x
  3. Step 3: Cross multiply
    2,092.66x = 3,138.99 × 1,519.18
  4. Step 4: Simplify right side
    2,092.66x = 4,768,690.83
  5. Step 5: Solve for x
    x = 4,768,690.83/2,092.66
  6. Step 6: Final answer
    x = 2,278.77

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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.