Home / 2,682.80-3,695.32-1,895.48

Finding the Fourth Proportional to 2,682.80, 3,695.32 and 1,895.48

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Solution

The fourth proportional to 2,682.80, 3,695.32 and 1,895.48 is: 2,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.80 : 3,695.32 = 1,895.48 : x
  2. Step 2: Convert to fraction form
    2,682.80/3,695.32 = 1,895.48/x
  3. Step 3: Cross multiply
    2,682.80x = 3,695.32 × 1,895.48
  4. Step 4: Simplify right side
    2,682.80x = 7,004,405.15
  5. Step 5: Solve for x
    x = 7,004,405.15/2,682.80
  6. Step 6: Final answer
    x = 2,610.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.