Home / 2,413.40-3,331.22-1,572.62

Finding the Fourth Proportional to 2,413.40, 3,331.22 and 1,572.62

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Solution

The fourth proportional to 2,413.40, 3,331.22 and 1,572.62 is: 2,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.40 : 3,331.22 = 1,572.62 : x
  2. Step 2: Convert to fraction form
    2,413.40/3,331.22 = 1,572.62/x
  3. Step 3: Cross multiply
    2,413.40x = 3,331.22 × 1,572.62
  4. Step 4: Simplify right side
    2,413.40x = 5,238,718.68
  5. Step 5: Solve for x
    x = 5,238,718.68/2,413.40
  6. Step 6: Final answer
    x = 2,170.68

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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.