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Finding the Fourth Proportional to 2,651.62, 3,657 and 2,615.17

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Solution

The fourth proportional to 2,651.62, 3,657 and 2,615.17 is: 3,606.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.62 : 3,657 = 2,615.17 : x
  2. Step 2: Convert to fraction form
    2,651.62/3,657 = 2,615.17/x
  3. Step 3: Cross multiply
    2,651.62x = 3,657 × 2,615.17
  4. Step 4: Simplify right side
    2,651.62x = 9,563,676.69
  5. Step 5: Solve for x
    x = 9,563,676.69/2,651.62
  6. Step 6: Final answer
    x = 3,606.73

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1.5x scale

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.