Home / 2,078.66-3,118.62-1,349.66

Finding the Fourth Proportional to 2,078.66, 3,118.62 and 1,349.66

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Solution

The fourth proportional to 2,078.66, 3,118.62 and 1,349.66 is: 2,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078.66 : 3,118.62 = 1,349.66 : x
  2. Step 2: Convert to fraction form
    2,078.66/3,118.62 = 1,349.66/x
  3. Step 3: Cross multiply
    2,078.66x = 3,118.62 × 1,349.66
  4. Step 4: Simplify right side
    2,078.66x = 4,209,076.67
  5. Step 5: Solve for x
    x = 4,209,076.67/2,078.66
  6. Step 6: Final answer
    x = 2,024.90

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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.