Home / 2,413.85-3,330.77-1,405.27

Finding the Fourth Proportional to 2,413.85, 3,330.77 and 1,405.27

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Solution

The fourth proportional to 2,413.85, 3,330.77 and 1,405.27 is: 1,939.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.85 : 3,330.77 = 1,405.27 : x
  2. Step 2: Convert to fraction form
    2,413.85/3,330.77 = 1,405.27/x
  3. Step 3: Cross multiply
    2,413.85x = 3,330.77 × 1,405.27
  4. Step 4: Simplify right side
    2,413.85x = 4,680,645.57
  5. Step 5: Solve for x
    x = 4,680,645.57/2,413.85
  6. Step 6: Final answer
    x = 1,939.08

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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.