Home / 2,413.25-3,330.29-1,309.25

Finding the Fourth Proportional to 2,413.25, 3,330.29 and 1,309.25

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Solution

The fourth proportional to 2,413.25, 3,330.29 and 1,309.25 is: 1,806.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.25 : 3,330.29 = 1,309.25 : x
  2. Step 2: Convert to fraction form
    2,413.25/3,330.29 = 1,309.25/x
  3. Step 3: Cross multiply
    2,413.25x = 3,330.29 × 1,309.25
  4. Step 4: Simplify right side
    2,413.25x = 4,360,175.64
  5. Step 5: Solve for x
    x = 4,360,175.64/2,413.25
  6. Step 6: Final answer
    x = 1,806.77

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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.