Home / 3,144.20-4,719.90-1,846.40

Finding the Fourth Proportional to 3,144.20, 4,719.90 and 1,846.40

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Solution

The fourth proportional to 3,144.20, 4,719.90 and 1,846.40 is: 2,771.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.20 : 4,719.90 = 1,846.40 : x
  2. Step 2: Convert to fraction form
    3,144.20/4,719.90 = 1,846.40/x
  3. Step 3: Cross multiply
    3,144.20x = 4,719.90 × 1,846.40
  4. Step 4: Simplify right side
    3,144.20x = 8,714,823.36
  5. Step 5: Solve for x
    x = 8,714,823.36/3,144.20
  6. Step 6: Final answer
    x = 2,771.71

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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.