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Finding the Fourth Proportional to 3,584.64, 4,935.36 and 3,058.56

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Solution

The fourth proportional to 3,584.64, 4,935.36 and 3,058.56 is: 4,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.64 : 4,935.36 = 3,058.56 : x
  2. Step 2: Convert to fraction form
    3,584.64/4,935.36 = 3,058.56/x
  3. Step 3: Cross multiply
    3,584.64x = 4,935.36 × 3,058.56
  4. Step 4: Simplify right side
    3,584.64x = 15,095,094.68
  5. Step 5: Solve for x
    x = 15,095,094.68/3,584.64
  6. Step 6: Final answer
    x = 4,211.05

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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.