Home / 3,924.16-5,413.96-2,430.52

Finding the Fourth Proportional to 3,924.16, 5,413.96 and 2,430.52

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Solution

The fourth proportional to 3,924.16, 5,413.96 and 2,430.52 is: 3,353.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.16 : 5,413.96 = 2,430.52 : x
  2. Step 2: Convert to fraction form
    3,924.16/5,413.96 = 2,430.52/x
  3. Step 3: Cross multiply
    3,924.16x = 5,413.96 × 2,430.52
  4. Step 4: Simplify right side
    3,924.16x = 13,158,738.06
  5. Step 5: Solve for x
    x = 13,158,738.06/3,924.16
  6. Step 6: Final answer
    x = 3,353.26

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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.