Home / 3,486.10-5,241.30-3,413.20

Finding the Fourth Proportional to 3,486.10, 5,241.30 and 3,413.20

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Solution

The fourth proportional to 3,486.10, 5,241.30 and 3,413.20 is: 5,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.10 : 5,241.30 = 3,413.20 : x
  2. Step 2: Convert to fraction form
    3,486.10/5,241.30 = 3,413.20/x
  3. Step 3: Cross multiply
    3,486.10x = 5,241.30 × 3,413.20
  4. Step 4: Simplify right side
    3,486.10x = 17,889,605.16
  5. Step 5: Solve for x
    x = 17,889,605.16/3,486.10
  6. Step 6: Final answer
    x = 5,131.70

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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.