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Finding the Fourth Proportional to 2,615.36, 3,609.36 and 1,829.66

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Solution

The fourth proportional to 2,615.36, 3,609.36 and 1,829.66 is: 2,525.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.36 : 3,609.36 = 1,829.66 : x
  2. Step 2: Convert to fraction form
    2,615.36/3,609.36 = 1,829.66/x
  3. Step 3: Cross multiply
    2,615.36x = 3,609.36 × 1,829.66
  4. Step 4: Simplify right side
    2,615.36x = 6,603,883.57
  5. Step 5: Solve for x
    x = 6,603,883.57/2,615.36
  6. Step 6: Final answer
    x = 2,525.04

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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.