Home / 2,611.84-3,601.26-2,112.94

Finding the Fourth Proportional to 2,611.84, 3,601.26 and 2,112.94

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Solution

The fourth proportional to 2,611.84, 3,601.26 and 2,112.94 is: 2,913.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.84 : 3,601.26 = 2,112.94 : x
  2. Step 2: Convert to fraction form
    2,611.84/3,601.26 = 2,112.94/x
  3. Step 3: Cross multiply
    2,611.84x = 3,601.26 × 2,112.94
  4. Step 4: Simplify right side
    2,611.84x = 7,609,246.30
  5. Step 5: Solve for x
    x = 7,609,246.30/2,611.84
  6. Step 6: Final answer
    x = 2,913.37

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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.