Home / 1,965.80-2,949.24-1,599.68

Finding the Fourth Proportional to 1,965.80, 2,949.24 and 1,599.68

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Solution

The fourth proportional to 1,965.80, 2,949.24 and 1,599.68 is: 2,399.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.80 : 2,949.24 = 1,599.68 : x
  2. Step 2: Convert to fraction form
    1,965.80/2,949.24 = 1,599.68/x
  3. Step 3: Cross multiply
    1,965.80x = 2,949.24 × 1,599.68
  4. Step 4: Simplify right side
    1,965.80x = 4,717,840.24
  5. Step 5: Solve for x
    x = 4,717,840.24/1,965.80
  6. Step 6: Final answer
    x = 2,399.96

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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.