Home / 2,193.14-3,290.36-733.32

Finding the Fourth Proportional to 2,193.14, 3,290.36 and 733.32

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Solution

The fourth proportional to 2,193.14, 3,290.36 and 733.32 is: 1,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.14 : 3,290.36 = 733.32 : x
  2. Step 2: Convert to fraction form
    2,193.14/3,290.36 = 733.32/x
  3. Step 3: Cross multiply
    2,193.14x = 3,290.36 × 733.32
  4. Step 4: Simplify right side
    2,193.14x = 2,412,883.13
  5. Step 5: Solve for x
    x = 2,412,883.13/2,193.14
  6. Step 6: Final answer
    x = 1,100.19

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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.