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Finding the Fourth Proportional to 3,652.86, 5,480.10 and 1,704

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Solution

The fourth proportional to 3,652.86, 5,480.10 and 1,704 is: 2,556.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.86 : 5,480.10 = 1,704 : x
  2. Step 2: Convert to fraction form
    3,652.86/5,480.10 = 1,704/x
  3. Step 3: Cross multiply
    3,652.86x = 5,480.10 × 1,704
  4. Step 4: Simplify right side
    3,652.86x = 9,338,090.40
  5. Step 5: Solve for x
    x = 9,338,090.40/3,652.86
  6. Step 6: Final answer
    x = 2,556.38

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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.