Home / 3,928.03-5,419.92-2,510.63

Finding the Fourth Proportional to 3,928.03, 5,419.92 and 2,510.63

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Solution

The fourth proportional to 3,928.03, 5,419.92 and 2,510.63 is: 3,464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.03 : 5,419.92 = 2,510.63 : x
  2. Step 2: Convert to fraction form
    3,928.03/5,419.92 = 2,510.63/x
  3. Step 3: Cross multiply
    3,928.03x = 5,419.92 × 2,510.63
  4. Step 4: Simplify right side
    3,928.03x = 13,607,413.75
  5. Step 5: Solve for x
    x = 13,607,413.75/3,928.03
  6. Step 6: Final answer
    x = 3,464.18

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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.