Home / 3,778.31-5,212.01-2,413.02

Finding the Fourth Proportional to 3,778.31, 5,212.01 and 2,413.02

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Solution

The fourth proportional to 3,778.31, 5,212.01 and 2,413.02 is: 3,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.31 : 5,212.01 = 2,413.02 : x
  2. Step 2: Convert to fraction form
    3,778.31/5,212.01 = 2,413.02/x
  3. Step 3: Cross multiply
    3,778.31x = 5,212.01 × 2,413.02
  4. Step 4: Simplify right side
    3,778.31x = 12,576,672.31
  5. Step 5: Solve for x
    x = 12,576,672.31/3,778.31
  6. Step 6: Final answer
    x = 3,328.65

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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.