Home / 1,448.16-2,173.05-717.54

Finding the Fourth Proportional to 1,448.16, 2,173.05 and 717.54

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Solution

The fourth proportional to 1,448.16, 2,173.05 and 717.54 is: 1,076.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.16 : 2,173.05 = 717.54 : x
  2. Step 2: Convert to fraction form
    1,448.16/2,173.05 = 717.54/x
  3. Step 3: Cross multiply
    1,448.16x = 2,173.05 × 717.54
  4. Step 4: Simplify right side
    1,448.16x = 1,559,250.30
  5. Step 5: Solve for x
    x = 1,559,250.30/1,448.16
  6. Step 6: Final answer
    x = 1,076.71

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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.