Home / 2,787.06-4,187.13-2,629.44

Finding the Fourth Proportional to 2,787.06, 4,187.13 and 2,629.44

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Solution

The fourth proportional to 2,787.06, 4,187.13 and 2,629.44 is: 3,950.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787.06 : 4,187.13 = 2,629.44 : x
  2. Step 2: Convert to fraction form
    2,787.06/4,187.13 = 2,629.44/x
  3. Step 3: Cross multiply
    2,787.06x = 4,187.13 × 2,629.44
  4. Step 4: Simplify right side
    2,787.06x = 11,009,793.96
  5. Step 5: Solve for x
    x = 11,009,793.96/2,787.06
  6. Step 6: Final answer
    x = 3,950.33

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1.5x scale

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.