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Finding the Fourth Proportional to 2,196.54, 3,294.27 and 657.54

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Solution

The fourth proportional to 2,196.54, 3,294.27 and 657.54 is: 986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196.54 : 3,294.27 = 657.54 : x
  2. Step 2: Convert to fraction form
    2,196.54/3,294.27 = 657.54/x
  3. Step 3: Cross multiply
    2,196.54x = 3,294.27 × 657.54
  4. Step 4: Simplify right side
    2,196.54x = 2,166,114.30
  5. Step 5: Solve for x
    x = 2,166,114.30/2,196.54
  6. Step 6: Final answer
    x = 986.15

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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.