Home / 1,749.25-2,413.79-1,418.48

Finding the Fourth Proportional to 1,749.25, 2,413.79 and 1,418.48

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Solution

The fourth proportional to 1,749.25, 2,413.79 and 1,418.48 is: 1,957.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.25 : 2,413.79 = 1,418.48 : x
  2. Step 2: Convert to fraction form
    1,749.25/2,413.79 = 1,418.48/x
  3. Step 3: Cross multiply
    1,749.25x = 2,413.79 × 1,418.48
  4. Step 4: Simplify right side
    1,749.25x = 3,423,900.77
  5. Step 5: Solve for x
    x = 3,423,900.77/1,749.25
  6. Step 6: Final answer
    x = 1,957.36

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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.