Home / 3,611.82-5,409.36-2,635.50

Finding the Fourth Proportional to 3,611.82, 5,409.36 and 2,635.50

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Solution

The fourth proportional to 3,611.82, 5,409.36 and 2,635.50 is: 3,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.82 : 5,409.36 = 2,635.50 : x
  2. Step 2: Convert to fraction form
    3,611.82/5,409.36 = 2,635.50/x
  3. Step 3: Cross multiply
    3,611.82x = 5,409.36 × 2,635.50
  4. Step 4: Simplify right side
    3,611.82x = 14,256,368.28
  5. Step 5: Solve for x
    x = 14,256,368.28/3,611.82
  6. Step 6: Final answer
    x = 3,947.14

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1.5x scale

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.