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Finding the Fourth Proportional to 3,615.72, 4,993.08 and 2,663.16

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Solution

The fourth proportional to 3,615.72, 4,993.08 and 2,663.16 is: 3,677.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.72 : 4,993.08 = 2,663.16 : x
  2. Step 2: Convert to fraction form
    3,615.72/4,993.08 = 2,663.16/x
  3. Step 3: Cross multiply
    3,615.72x = 4,993.08 × 2,663.16
  4. Step 4: Simplify right side
    3,615.72x = 13,297,370.93
  5. Step 5: Solve for x
    x = 13,297,370.93/3,615.72
  6. Step 6: Final answer
    x = 3,677.66

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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.