Home / 2,826.71-4,261.73-2,636.15

Finding the Fourth Proportional to 2,826.71, 4,261.73 and 2,636.15

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Solution

The fourth proportional to 2,826.71, 4,261.73 and 2,636.15 is: 3,974.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.71 : 4,261.73 = 2,636.15 : x
  2. Step 2: Convert to fraction form
    2,826.71/4,261.73 = 2,636.15/x
  3. Step 3: Cross multiply
    2,826.71x = 4,261.73 × 2,636.15
  4. Step 4: Simplify right side
    2,826.71x = 11,234,525.05
  5. Step 5: Solve for x
    x = 11,234,525.05/2,826.71
  6. Step 6: Final answer
    x = 3,974.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.