Home / 1,448.19-2,171.06-984.66

Finding the Fourth Proportional to 1,448.19, 2,171.06 and 984.66

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Solution

The fourth proportional to 1,448.19, 2,171.06 and 984.66 is: 1,476.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.19 : 2,171.06 = 984.66 : x
  2. Step 2: Convert to fraction form
    1,448.19/2,171.06 = 984.66/x
  3. Step 3: Cross multiply
    1,448.19x = 2,171.06 × 984.66
  4. Step 4: Simplify right side
    1,448.19x = 2,137,755.94
  5. Step 5: Solve for x
    x = 2,137,755.94/1,448.19
  6. Step 6: Final answer
    x = 1,476.16

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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.