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Finding the Fourth Proportional to 2,648.21, 3,656.21 and 1,704.35

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Solution

The fourth proportional to 2,648.21, 3,656.21 and 1,704.35 is: 2,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.21 : 3,656.21 = 1,704.35 : x
  2. Step 2: Convert to fraction form
    2,648.21/3,656.21 = 1,704.35/x
  3. Step 3: Cross multiply
    2,648.21x = 3,656.21 × 1,704.35
  4. Step 4: Simplify right side
    2,648.21x = 6,231,462.13
  5. Step 5: Solve for x
    x = 6,231,462.13/2,648.21
  6. Step 6: Final answer
    x = 2,353.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.