Home / 1,619.37-2,429.43-798.03

Finding the Fourth Proportional to 1,619.37, 2,429.43 and 798.03

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Solution

The fourth proportional to 1,619.37, 2,429.43 and 798.03 is: 1,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.37 : 2,429.43 = 798.03 : x
  2. Step 2: Convert to fraction form
    1,619.37/2,429.43 = 798.03/x
  3. Step 3: Cross multiply
    1,619.37x = 2,429.43 × 798.03
  4. Step 4: Simplify right side
    1,619.37x = 1,938,758.02
  5. Step 5: Solve for x
    x = 1,938,758.02/1,619.37
  6. Step 6: Final answer
    x = 1,197.23

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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.