Home / 2,519.16-3,778.29-1,345.47

Finding the Fourth Proportional to 2,519.16, 3,778.29 and 1,345.47

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Solution

The fourth proportional to 2,519.16, 3,778.29 and 1,345.47 is: 2,017.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.16 : 3,778.29 = 1,345.47 : x
  2. Step 2: Convert to fraction form
    2,519.16/3,778.29 = 1,345.47/x
  3. Step 3: Cross multiply
    2,519.16x = 3,778.29 × 1,345.47
  4. Step 4: Simplify right side
    2,519.16x = 5,083,575.85
  5. Step 5: Solve for x
    x = 5,083,575.85/2,519.16
  6. Step 6: Final answer
    x = 2,017.96

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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.