Home / 1,609.28-2,409.68-1,295.23

Finding the Fourth Proportional to 1,609.28, 2,409.68 and 1,295.23

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Solution

The fourth proportional to 1,609.28, 2,409.68 and 1,295.23 is: 1,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.28 : 2,409.68 = 1,295.23 : x
  2. Step 2: Convert to fraction form
    1,609.28/2,409.68 = 1,295.23/x
  3. Step 3: Cross multiply
    1,609.28x = 2,409.68 × 1,295.23
  4. Step 4: Simplify right side
    1,609.28x = 3,121,089.83
  5. Step 5: Solve for x
    x = 3,121,089.83/1,609.28
  6. Step 6: Final answer
    x = 1,939.43

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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.