Home / 2,162.08-3,238.26-2,089.18

Finding the Fourth Proportional to 2,162.08, 3,238.26 and 2,089.18

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Solution

The fourth proportional to 2,162.08, 3,238.26 and 2,089.18 is: 3,129.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.08 : 3,238.26 = 2,089.18 : x
  2. Step 2: Convert to fraction form
    2,162.08/3,238.26 = 2,089.18/x
  3. Step 3: Cross multiply
    2,162.08x = 3,238.26 × 2,089.18
  4. Step 4: Simplify right side
    2,162.08x = 6,765,308.03
  5. Step 5: Solve for x
    x = 6,765,308.03/2,162.08
  6. Step 6: Final answer
    x = 3,129.07

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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.