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Finding the Fourth Proportional to 3,351.50, 5,027.26 and 1,043

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Solution

The fourth proportional to 3,351.50, 5,027.26 and 1,043 is: 1,564.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.50 : 5,027.26 = 1,043 : x
  2. Step 2: Convert to fraction form
    3,351.50/5,027.26 = 1,043/x
  3. Step 3: Cross multiply
    3,351.50x = 5,027.26 × 1,043
  4. Step 4: Simplify right side
    3,351.50x = 5,243,432.18
  5. Step 5: Solve for x
    x = 5,243,432.18/3,351.50
  6. Step 6: Final answer
    x = 1,564.50

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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.