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Finding the Fourth Proportional to 1,596.60, 2,392.02 and 1,391.80

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Solution

The fourth proportional to 1,596.60, 2,392.02 and 1,391.80 is: 2,085.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596.60 : 2,392.02 = 1,391.80 : x
  2. Step 2: Convert to fraction form
    1,596.60/2,392.02 = 1,391.80/x
  3. Step 3: Cross multiply
    1,596.60x = 2,392.02 × 1,391.80
  4. Step 4: Simplify right side
    1,596.60x = 3,329,213.44
  5. Step 5: Solve for x
    x = 3,329,213.44/1,596.60
  6. Step 6: Final answer
    x = 2,085.19

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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.