Home / 1,983.32-2,975.44-1,058.39

Finding the Fourth Proportional to 1,983.32, 2,975.44 and 1,058.39

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Solution

The fourth proportional to 1,983.32, 2,975.44 and 1,058.39 is: 1,587.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.32 : 2,975.44 = 1,058.39 : x
  2. Step 2: Convert to fraction form
    1,983.32/2,975.44 = 1,058.39/x
  3. Step 3: Cross multiply
    1,983.32x = 2,975.44 × 1,058.39
  4. Step 4: Simplify right side
    1,983.32x = 3,149,175.94
  5. Step 5: Solve for x
    x = 3,149,175.94/1,983.32
  6. Step 6: Final answer
    x = 1,587.83

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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.