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Finding the Fourth Proportional to 2,193.58, 3,289.14 and 731.94

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Solution

The fourth proportional to 2,193.58, 3,289.14 and 731.94 is: 1,097.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.58 : 3,289.14 = 731.94 : x
  2. Step 2: Convert to fraction form
    2,193.58/3,289.14 = 731.94/x
  3. Step 3: Cross multiply
    2,193.58x = 3,289.14 × 731.94
  4. Step 4: Simplify right side
    2,193.58x = 2,407,453.13
  5. Step 5: Solve for x
    x = 2,407,453.13/2,193.58
  6. Step 6: Final answer
    x = 1,097.50

Related Problems

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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.