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Finding the Fourth Proportional to 1,640.55, 2,461.17 and 600.54

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Solution

The fourth proportional to 1,640.55, 2,461.17 and 600.54 is: 900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640.55 : 2,461.17 = 600.54 : x
  2. Step 2: Convert to fraction form
    1,640.55/2,461.17 = 600.54/x
  3. Step 3: Cross multiply
    1,640.55x = 2,461.17 × 600.54
  4. Step 4: Simplify right side
    1,640.55x = 1,478,035.68
  5. Step 5: Solve for x
    x = 1,478,035.68/1,640.55
  6. Step 6: Final answer
    x = 900.94

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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.