Home / 2,686.34-4,028.58-1,042.44

Finding the Fourth Proportional to 2,686.34, 4,028.58 and 1,042.44

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Solution

The fourth proportional to 2,686.34, 4,028.58 and 1,042.44 is: 1,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.34 : 4,028.58 = 1,042.44 : x
  2. Step 2: Convert to fraction form
    2,686.34/4,028.58 = 1,042.44/x
  3. Step 3: Cross multiply
    2,686.34x = 4,028.58 × 1,042.44
  4. Step 4: Simplify right side
    2,686.34x = 4,199,552.94
  5. Step 5: Solve for x
    x = 4,199,552.94/2,686.34
  6. Step 6: Final answer
    x = 1,563.30

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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.