Home / 2,687.46-4,025.94-1,852.55

Finding the Fourth Proportional to 2,687.46, 4,025.94 and 1,852.55

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Solution

The fourth proportional to 2,687.46, 4,025.94 and 1,852.55 is: 2,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687.46 : 4,025.94 = 1,852.55 : x
  2. Step 2: Convert to fraction form
    2,687.46/4,025.94 = 1,852.55/x
  3. Step 3: Cross multiply
    2,687.46x = 4,025.94 × 1,852.55
  4. Step 4: Simplify right side
    2,687.46x = 7,458,235.02
  5. Step 5: Solve for x
    x = 7,458,235.02/2,687.46
  6. Step 6: Final answer
    x = 2,775.20

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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.