Home / 2,164.11-3,246.80-1,069.26

Finding the Fourth Proportional to 2,164.11, 3,246.80 and 1,069.26

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Solution

The fourth proportional to 2,164.11, 3,246.80 and 1,069.26 is: 1,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.11 : 3,246.80 = 1,069.26 : x
  2. Step 2: Convert to fraction form
    2,164.11/3,246.80 = 1,069.26/x
  3. Step 3: Cross multiply
    2,164.11x = 3,246.80 × 1,069.26
  4. Step 4: Simplify right side
    2,164.11x = 3,471,668.02
  5. Step 5: Solve for x
    x = 3,471,668.02/2,164.11
  6. Step 6: Final answer
    x = 1,604.20

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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.