Home / 3,188.45-4,391.25-2,746.19

Finding the Fourth Proportional to 3,188.45, 4,391.25 and 2,746.19

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Solution

The fourth proportional to 3,188.45, 4,391.25 and 2,746.19 is: 3,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.45 : 4,391.25 = 2,746.19 : x
  2. Step 2: Convert to fraction form
    3,188.45/4,391.25 = 2,746.19/x
  3. Step 3: Cross multiply
    3,188.45x = 4,391.25 × 2,746.19
  4. Step 4: Simplify right side
    3,188.45x = 12,059,184.88
  5. Step 5: Solve for x
    x = 12,059,184.88/3,188.45
  6. Step 6: Final answer
    x = 3,782.15

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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.