Home / 2,694.20-4,042.58-1,395.66

Finding the Fourth Proportional to 2,694.20, 4,042.58 and 1,395.66

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Solution

The fourth proportional to 2,694.20, 4,042.58 and 1,395.66 is: 2,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.20 : 4,042.58 = 1,395.66 : x
  2. Step 2: Convert to fraction form
    2,694.20/4,042.58 = 1,395.66/x
  3. Step 3: Cross multiply
    2,694.20x = 4,042.58 × 1,395.66
  4. Step 4: Simplify right side
    2,694.20x = 5,642,060.22
  5. Step 5: Solve for x
    x = 5,642,060.22/2,694.20
  6. Step 6: Final answer
    x = 2,094.15

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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.