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Finding the Fourth Proportional to 3,238.64, 4,857.04 and 898.08

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Solution

The fourth proportional to 3,238.64, 4,857.04 and 898.08 is: 1,346.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.64 : 4,857.04 = 898.08 : x
  2. Step 2: Convert to fraction form
    3,238.64/4,857.04 = 898.08/x
  3. Step 3: Cross multiply
    3,238.64x = 4,857.04 × 898.08
  4. Step 4: Simplify right side
    3,238.64x = 4,362,010.48
  5. Step 5: Solve for x
    x = 4,362,010.48/3,238.64
  6. Step 6: Final answer
    x = 1,346.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.