Home / 2,646.92-3,961.53-2,611.95

Finding the Fourth Proportional to 2,646.92, 3,961.53 and 2,611.95

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Solution

The fourth proportional to 2,646.92, 3,961.53 and 2,611.95 is: 3,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646.92 : 3,961.53 = 2,611.95 : x
  2. Step 2: Convert to fraction form
    2,646.92/3,961.53 = 2,611.95/x
  3. Step 3: Cross multiply
    2,646.92x = 3,961.53 × 2,611.95
  4. Step 4: Simplify right side
    2,646.92x = 10,347,318.28
  5. Step 5: Solve for x
    x = 10,347,318.28/2,646.92
  6. Step 6: Final answer
    x = 3,909.20

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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.