Home / 3,391.25-5,088.80-1,567.25

Finding the Fourth Proportional to 3,391.25, 5,088.80 and 1,567.25

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Solution

The fourth proportional to 3,391.25, 5,088.80 and 1,567.25 is: 2,351.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.25 : 5,088.80 = 1,567.25 : x
  2. Step 2: Convert to fraction form
    3,391.25/5,088.80 = 1,567.25/x
  3. Step 3: Cross multiply
    3,391.25x = 5,088.80 × 1,567.25
  4. Step 4: Simplify right side
    3,391.25x = 7,975,413.96
  5. Step 5: Solve for x
    x = 7,975,413.96/3,391.25
  6. Step 6: Final answer
    x = 2,351.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.