Home / 2,188.43-3,020.07-1,193.73

Finding the Fourth Proportional to 2,188.43, 3,020.07 and 1,193.73

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Solution

The fourth proportional to 2,188.43, 3,020.07 and 1,193.73 is: 1,647.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188.43 : 3,020.07 = 1,193.73 : x
  2. Step 2: Convert to fraction form
    2,188.43/3,020.07 = 1,193.73/x
  3. Step 3: Cross multiply
    2,188.43x = 3,020.07 × 1,193.73
  4. Step 4: Simplify right side
    2,188.43x = 3,605,148.16
  5. Step 5: Solve for x
    x = 3,605,148.16/2,188.43
  6. Step 6: Final answer
    x = 1,647.37

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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.