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Finding the Fourth Proportional to 1,608.80, 2,399.04 and 1,594.20

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Solution

The fourth proportional to 1,608.80, 2,399.04 and 1,594.20 is: 2,377.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608.80 : 2,399.04 = 1,594.20 : x
  2. Step 2: Convert to fraction form
    1,608.80/2,399.04 = 1,594.20/x
  3. Step 3: Cross multiply
    1,608.80x = 2,399.04 × 1,594.20
  4. Step 4: Simplify right side
    1,608.80x = 3,824,549.57
  5. Step 5: Solve for x
    x = 3,824,549.57/1,608.80
  6. Step 6: Final answer
    x = 2,377.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.