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Finding the Fourth Proportional to 2,193.06, 3,289.52 and 732.24

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Solution

The fourth proportional to 2,193.06, 3,289.52 and 732.24 is: 1,098.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.06 : 3,289.52 = 732.24 : x
  2. Step 2: Convert to fraction form
    2,193.06/3,289.52 = 732.24/x
  3. Step 3: Cross multiply
    2,193.06x = 3,289.52 × 732.24
  4. Step 4: Simplify right side
    2,193.06x = 2,408,718.12
  5. Step 5: Solve for x
    x = 2,408,718.12/2,193.06
  6. Step 6: Final answer
    x = 1,098.34

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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.