Home / 1,749.22-2,413.82-1,252.68

Finding the Fourth Proportional to 1,749.22, 2,413.82 and 1,252.68

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Solution

The fourth proportional to 1,749.22, 2,413.82 and 1,252.68 is: 1,728.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.22 : 2,413.82 = 1,252.68 : x
  2. Step 2: Convert to fraction form
    1,749.22/2,413.82 = 1,252.68/x
  3. Step 3: Cross multiply
    1,749.22x = 2,413.82 × 1,252.68
  4. Step 4: Simplify right side
    1,749.22x = 3,023,744.04
  5. Step 5: Solve for x
    x = 3,023,744.04/1,749.22
  6. Step 6: Final answer
    x = 1,728.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.