Home / 2,519.92-3,781.36-1,058.96

Finding the Fourth Proportional to 2,519.92, 3,781.36 and 1,058.96

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Solution

The fourth proportional to 2,519.92, 3,781.36 and 1,058.96 is: 1,589.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.92 : 3,781.36 = 1,058.96 : x
  2. Step 2: Convert to fraction form
    2,519.92/3,781.36 = 1,058.96/x
  3. Step 3: Cross multiply
    2,519.92x = 3,781.36 × 1,058.96
  4. Step 4: Simplify right side
    2,519.92x = 4,004,308.99
  5. Step 5: Solve for x
    x = 4,004,308.99/2,519.92
  6. Step 6: Final answer
    x = 1,589.06

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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.