Home / 4,119.63-6,180.82-2,738.40

Finding the Fourth Proportional to 4,119.63, 6,180.82 and 2,738.40

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Solution

The fourth proportional to 4,119.63, 6,180.82 and 2,738.40 is: 4,108.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.63 : 6,180.82 = 2,738.40 : x
  2. Step 2: Convert to fraction form
    4,119.63/6,180.82 = 2,738.40/x
  3. Step 3: Cross multiply
    4,119.63x = 6,180.82 × 2,738.40
  4. Step 4: Simplify right side
    4,119.63x = 16,925,550.64
  5. Step 5: Solve for x
    x = 16,925,550.64/4,119.63
  6. Step 6: Final answer
    x = 4,108.51

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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.