Home / 3,742.10-5,611.80-1,892.60

Finding the Fourth Proportional to 3,742.10, 5,611.80 and 1,892.60

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Solution

The fourth proportional to 3,742.10, 5,611.80 and 1,892.60 is: 2,838.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.10 : 5,611.80 = 1,892.60 : x
  2. Step 2: Convert to fraction form
    3,742.10/5,611.80 = 1,892.60/x
  3. Step 3: Cross multiply
    3,742.10x = 5,611.80 × 1,892.60
  4. Step 4: Simplify right side
    3,742.10x = 10,620,892.68
  5. Step 5: Solve for x
    x = 10,620,892.68/3,742.10
  6. Step 6: Final answer
    x = 2,838.22

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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.