Home / 2,760.30-4,128.30-2,322.90

Finding the Fourth Proportional to 2,760.30, 4,128.30 and 2,322.90

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Solution

The fourth proportional to 2,760.30, 4,128.30 and 2,322.90 is: 3,474.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.30 : 4,128.30 = 2,322.90 : x
  2. Step 2: Convert to fraction form
    2,760.30/4,128.30 = 2,322.90/x
  3. Step 3: Cross multiply
    2,760.30x = 4,128.30 × 2,322.90
  4. Step 4: Simplify right side
    2,760.30x = 9,589,628.07
  5. Step 5: Solve for x
    x = 9,589,628.07/2,760.30
  6. Step 6: Final answer
    x = 3,474.13

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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.