Home / 2,194.24-3,290.80-1,083.12

Finding the Fourth Proportional to 2,194.24, 3,290.80 and 1,083.12

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Solution

The fourth proportional to 2,194.24, 3,290.80 and 1,083.12 is: 1,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.24 : 3,290.80 = 1,083.12 : x
  2. Step 2: Convert to fraction form
    2,194.24/3,290.80 = 1,083.12/x
  3. Step 3: Cross multiply
    2,194.24x = 3,290.80 × 1,083.12
  4. Step 4: Simplify right side
    2,194.24x = 3,564,331.30
  5. Step 5: Solve for x
    x = 3,564,331.30/2,194.24
  6. Step 6: Final answer
    x = 1,624.40

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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.