Home / 2,760.27-4,140.45-2,756.22

Finding the Fourth Proportional to 2,760.27, 4,140.45 and 2,756.22

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Solution

The fourth proportional to 2,760.27, 4,140.45 and 2,756.22 is: 4,134.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.27 : 4,140.45 = 2,756.22 : x
  2. Step 2: Convert to fraction form
    2,760.27/4,140.45 = 2,756.22/x
  3. Step 3: Cross multiply
    2,760.27x = 4,140.45 × 2,756.22
  4. Step 4: Simplify right side
    2,760.27x = 11,411,991.10
  5. Step 5: Solve for x
    x = 11,411,991.10/2,760.27
  6. Step 6: Final answer
    x = 4,134.37

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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.