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Finding the Fourth Proportional to 2,298.08, 3,447.17 and 654.68

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Solution

The fourth proportional to 2,298.08, 3,447.17 and 654.68 is: 982.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.08 : 3,447.17 = 654.68 : x
  2. Step 2: Convert to fraction form
    2,298.08/3,447.17 = 654.68/x
  3. Step 3: Cross multiply
    2,298.08x = 3,447.17 × 654.68
  4. Step 4: Simplify right side
    2,298.08x = 2,256,772.75
  5. Step 5: Solve for x
    x = 2,256,772.75/2,298.08
  6. Step 6: Final answer
    x = 982.02

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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.