Home / 3,611.09-5,411.86-2,679.35

Finding the Fourth Proportional to 3,611.09, 5,411.86 and 2,679.35

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Solution

The fourth proportional to 3,611.09, 5,411.86 and 2,679.35 is: 4,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.09 : 5,411.86 = 2,679.35 : x
  2. Step 2: Convert to fraction form
    3,611.09/5,411.86 = 2,679.35/x
  3. Step 3: Cross multiply
    3,611.09x = 5,411.86 × 2,679.35
  4. Step 4: Simplify right side
    3,611.09x = 14,500,233.33
  5. Step 5: Solve for x
    x = 14,500,233.33/3,611.09
  6. Step 6: Final answer
    x = 4,015.47

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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.