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Finding the Fourth Proportional to 2,193.04, 3,289.02 and 654.04

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Solution

The fourth proportional to 2,193.04, 3,289.02 and 654.04 is: 980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.04 : 3,289.02 = 654.04 : x
  2. Step 2: Convert to fraction form
    2,193.04/3,289.02 = 654.04/x
  3. Step 3: Cross multiply
    2,193.04x = 3,289.02 × 654.04
  4. Step 4: Simplify right side
    2,193.04x = 2,151,150.64
  5. Step 5: Solve for x
    x = 2,151,150.64/2,193.04
  6. Step 6: Final answer
    x = 980.90

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Double scale
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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.