Home / 2,049.28-2,828.30-1,165.16

Finding the Fourth Proportional to 2,049.28, 2,828.30 and 1,165.16

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Solution

The fourth proportional to 2,049.28, 2,828.30 and 1,165.16 is: 1,608.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.28 : 2,828.30 = 1,165.16 : x
  2. Step 2: Convert to fraction form
    2,049.28/2,828.30 = 1,165.16/x
  3. Step 3: Cross multiply
    2,049.28x = 2,828.30 × 1,165.16
  4. Step 4: Simplify right side
    2,049.28x = 3,295,422.03
  5. Step 5: Solve for x
    x = 3,295,422.03/2,049.28
  6. Step 6: Final answer
    x = 1,608.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.