Home / 1,232.36-1,837.69-1,221.26

Finding the Fourth Proportional to 1,232.36, 1,837.69 and 1,221.26

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Solution

The fourth proportional to 1,232.36, 1,837.69 and 1,221.26 is: 1,821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.36 : 1,837.69 = 1,221.26 : x
  2. Step 2: Convert to fraction form
    1,232.36/1,837.69 = 1,221.26/x
  3. Step 3: Cross multiply
    1,232.36x = 1,837.69 × 1,221.26
  4. Step 4: Simplify right side
    1,232.36x = 2,244,288.10
  5. Step 5: Solve for x
    x = 2,244,288.10/1,232.36
  6. Step 6: Final answer
    x = 1,821.13

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.