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Finding the Fourth Proportional to 3,606.67, 5,410.56 and 1,526.68

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Solution

The fourth proportional to 3,606.67, 5,410.56 and 1,526.68 is: 2,290.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.67 : 5,410.56 = 1,526.68 : x
  2. Step 2: Convert to fraction form
    3,606.67/5,410.56 = 1,526.68/x
  3. Step 3: Cross multiply
    3,606.67x = 5,410.56 × 1,526.68
  4. Step 4: Simplify right side
    3,606.67x = 8,260,193.74
  5. Step 5: Solve for x
    x = 8,260,193.74/3,606.67
  6. Step 6: Final answer
    x = 2,290.25

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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.