Home / 1,983.83-2,731.44-1,684.44

Finding the Fourth Proportional to 1,983.83, 2,731.44 and 1,684.44

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Solution

The fourth proportional to 1,983.83, 2,731.44 and 1,684.44 is: 2,319.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.83 : 2,731.44 = 1,684.44 : x
  2. Step 2: Convert to fraction form
    1,983.83/2,731.44 = 1,684.44/x
  3. Step 3: Cross multiply
    1,983.83x = 2,731.44 × 1,684.44
  4. Step 4: Simplify right side
    1,983.83x = 4,600,946.79
  5. Step 5: Solve for x
    x = 4,600,946.79/1,983.83
  6. Step 6: Final answer
    x = 2,319.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.