Home / 3,178.02-4,759.62-2,079.66

Finding the Fourth Proportional to 3,178.02, 4,759.62 and 2,079.66

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Solution

The fourth proportional to 3,178.02, 4,759.62 and 2,079.66 is: 3,114.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.02 : 4,759.62 = 2,079.66 : x
  2. Step 2: Convert to fraction form
    3,178.02/4,759.62 = 2,079.66/x
  3. Step 3: Cross multiply
    3,178.02x = 4,759.62 × 2,079.66
  4. Step 4: Simplify right side
    3,178.02x = 9,898,391.33
  5. Step 5: Solve for x
    x = 9,898,391.33/3,178.02
  6. Step 6: Final answer
    x = 3,114.64

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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.