Home / 2,756.20-4,134.30-2,727.40

Finding the Fourth Proportional to 2,756.20, 4,134.30 and 2,727.40

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Solution

The fourth proportional to 2,756.20, 4,134.30 and 2,727.40 is: 4,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.20 : 4,134.30 = 2,727.40 : x
  2. Step 2: Convert to fraction form
    2,756.20/4,134.30 = 2,727.40/x
  3. Step 3: Cross multiply
    2,756.20x = 4,134.30 × 2,727.40
  4. Step 4: Simplify right side
    2,756.20x = 11,275,889.82
  5. Step 5: Solve for x
    x = 11,275,889.82/2,756.20
  6. Step 6: Final answer
    x = 4,091.10

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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.