Home / 3,457.92-5,187.48-1,608.68

Finding the Fourth Proportional to 3,457.92, 5,187.48 and 1,608.68

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Solution

The fourth proportional to 3,457.92, 5,187.48 and 1,608.68 is: 2,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.92 : 5,187.48 = 1,608.68 : x
  2. Step 2: Convert to fraction form
    3,457.92/5,187.48 = 1,608.68/x
  3. Step 3: Cross multiply
    3,457.92x = 5,187.48 × 1,608.68
  4. Step 4: Simplify right side
    3,457.92x = 8,344,995.33
  5. Step 5: Solve for x
    x = 8,344,995.33/3,457.92
  6. Step 6: Final answer
    x = 2,413.30

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1.5x scale

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.