Home / 2,766.66-4,150.47-1,380.06

Finding the Fourth Proportional to 2,766.66, 4,150.47 and 1,380.06

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Solution

The fourth proportional to 2,766.66, 4,150.47 and 1,380.06 is: 2,070.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.66 : 4,150.47 = 1,380.06 : x
  2. Step 2: Convert to fraction form
    2,766.66/4,150.47 = 1,380.06/x
  3. Step 3: Cross multiply
    2,766.66x = 4,150.47 × 1,380.06
  4. Step 4: Simplify right side
    2,766.66x = 5,727,897.63
  5. Step 5: Solve for x
    x = 5,727,897.63/2,766.66
  6. Step 6: Final answer
    x = 2,070.33

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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.