Home / 1,238.16-1,858.80-1,232.04

Finding the Fourth Proportional to 1,238.16, 1,858.80 and 1,232.04

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Solution

The fourth proportional to 1,238.16, 1,858.80 and 1,232.04 is: 1,849.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238.16 : 1,858.80 = 1,232.04 : x
  2. Step 2: Convert to fraction form
    1,238.16/1,858.80 = 1,232.04/x
  3. Step 3: Cross multiply
    1,238.16x = 1,858.80 × 1,232.04
  4. Step 4: Simplify right side
    1,238.16x = 2,290,115.95
  5. Step 5: Solve for x
    x = 2,290,115.95/1,238.16
  6. Step 6: Final answer
    x = 1,849.61

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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.