Home / 3,074.90-4,243.37-1,748.66

Finding the Fourth Proportional to 3,074.90, 4,243.37 and 1,748.66

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Solution

The fourth proportional to 3,074.90, 4,243.37 and 1,748.66 is: 2,413.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.90 : 4,243.37 = 1,748.66 : x
  2. Step 2: Convert to fraction form
    3,074.90/4,243.37 = 1,748.66/x
  3. Step 3: Cross multiply
    3,074.90x = 4,243.37 × 1,748.66
  4. Step 4: Simplify right side
    3,074.90x = 7,420,181.42
  5. Step 5: Solve for x
    x = 7,420,181.42/3,074.90
  6. Step 6: Final answer
    x = 2,413.15

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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.