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Finding the Fourth Proportional to 2,615.44, 3,607.26 and 2,317

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Solution

The fourth proportional to 2,615.44, 3,607.26 and 2,317 is: 3,195.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.44 : 3,607.26 = 2,317 : x
  2. Step 2: Convert to fraction form
    2,615.44/3,607.26 = 2,317/x
  3. Step 3: Cross multiply
    2,615.44x = 3,607.26 × 2,317
  4. Step 4: Simplify right side
    2,615.44x = 8,358,021.42
  5. Step 5: Solve for x
    x = 8,358,021.42/2,615.44
  6. Step 6: Final answer
    x = 3,195.65

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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.