Home / 2,656.36-3,981.66-1,682.92

Finding the Fourth Proportional to 2,656.36, 3,981.66 and 1,682.92

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Solution

The fourth proportional to 2,656.36, 3,981.66 and 1,682.92 is: 2,522.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.36 : 3,981.66 = 1,682.92 : x
  2. Step 2: Convert to fraction form
    2,656.36/3,981.66 = 1,682.92/x
  3. Step 3: Cross multiply
    2,656.36x = 3,981.66 × 1,682.92
  4. Step 4: Simplify right side
    2,656.36x = 6,700,815.25
  5. Step 5: Solve for x
    x = 6,700,815.25/2,656.36
  6. Step 6: Final answer
    x = 2,522.56

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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.