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Finding the Fourth Proportional to 1,609.27, 2,409.04 and 1,455.27

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Solution

The fourth proportional to 1,609.27, 2,409.04 and 1,455.27 is: 2,178.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.27 : 2,409.04 = 1,455.27 : x
  2. Step 2: Convert to fraction form
    1,609.27/2,409.04 = 1,455.27/x
  3. Step 3: Cross multiply
    1,609.27x = 2,409.04 × 1,455.27
  4. Step 4: Simplify right side
    1,609.27x = 3,505,796.43
  5. Step 5: Solve for x
    x = 3,505,796.43/1,609.27
  6. Step 6: Final answer
    x = 2,178.50

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1.5x scale

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.