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Finding the Fourth Proportional to 3,259.52, 4,496.68 and 1,933.28

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Solution

The fourth proportional to 3,259.52, 4,496.68 and 1,933.28 is: 2,667.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.52 : 4,496.68 = 1,933.28 : x
  2. Step 2: Convert to fraction form
    3,259.52/4,496.68 = 1,933.28/x
  3. Step 3: Cross multiply
    3,259.52x = 4,496.68 × 1,933.28
  4. Step 4: Simplify right side
    3,259.52x = 8,693,341.51
  5. Step 5: Solve for x
    x = 8,693,341.51/3,259.52
  6. Step 6: Final answer
    x = 2,667.06

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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.