Home / 4,112.20-6,168.30-2,031.40

Finding the Fourth Proportional to 4,112.20, 6,168.30 and 2,031.40

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Solution

The fourth proportional to 4,112.20, 6,168.30 and 2,031.40 is: 3,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.20 : 6,168.30 = 2,031.40 : x
  2. Step 2: Convert to fraction form
    4,112.20/6,168.30 = 2,031.40/x
  3. Step 3: Cross multiply
    4,112.20x = 6,168.30 × 2,031.40
  4. Step 4: Simplify right side
    4,112.20x = 12,530,284.62
  5. Step 5: Solve for x
    x = 12,530,284.62/4,112.20
  6. Step 6: Final answer
    x = 3,047.10

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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.