Home / 2,619.05-3,927.60-1,232.10

Finding the Fourth Proportional to 2,619.05, 3,927.60 and 1,232.10

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Solution

The fourth proportional to 2,619.05, 3,927.60 and 1,232.10 is: 1,847.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.05 : 3,927.60 = 1,232.10 : x
  2. Step 2: Convert to fraction form
    2,619.05/3,927.60 = 1,232.10/x
  3. Step 3: Cross multiply
    2,619.05x = 3,927.60 × 1,232.10
  4. Step 4: Simplify right side
    2,619.05x = 4,839,195.96
  5. Step 5: Solve for x
    x = 4,839,195.96/2,619.05
  6. Step 6: Final answer
    x = 1,847.69

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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.