Home / 1,448.44-2,171.13-474.28

Finding the Fourth Proportional to 1,448.44, 2,171.13 and 474.28

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Solution

The fourth proportional to 1,448.44, 2,171.13 and 474.28 is: 710.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.44 : 2,171.13 = 474.28 : x
  2. Step 2: Convert to fraction form
    1,448.44/2,171.13 = 474.28/x
  3. Step 3: Cross multiply
    1,448.44x = 2,171.13 × 474.28
  4. Step 4: Simplify right side
    1,448.44x = 1,029,723.54
  5. Step 5: Solve for x
    x = 1,029,723.54/1,448.44
  6. Step 6: Final answer
    x = 710.92

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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.