Home / 3,157.54-4,727.36-1,673.38

Finding the Fourth Proportional to 3,157.54, 4,727.36 and 1,673.38

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Solution

The fourth proportional to 3,157.54, 4,727.36 and 1,673.38 is: 2,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.54 : 4,727.36 = 1,673.38 : x
  2. Step 2: Convert to fraction form
    3,157.54/4,727.36 = 1,673.38/x
  3. Step 3: Cross multiply
    3,157.54x = 4,727.36 × 1,673.38
  4. Step 4: Simplify right side
    3,157.54x = 7,910,669.68
  5. Step 5: Solve for x
    x = 7,910,669.68/3,157.54
  6. Step 6: Final answer
    x = 2,505.33

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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.