Home / 2,791.36-4,185.12-1,058.52

Finding the Fourth Proportional to 2,791.36, 4,185.12 and 1,058.52

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Solution

The fourth proportional to 2,791.36, 4,185.12 and 1,058.52 is: 1,587.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.36 : 4,185.12 = 1,058.52 : x
  2. Step 2: Convert to fraction form
    2,791.36/4,185.12 = 1,058.52/x
  3. Step 3: Cross multiply
    2,791.36x = 4,185.12 × 1,058.52
  4. Step 4: Simplify right side
    2,791.36x = 4,430,033.22
  5. Step 5: Solve for x
    x = 4,430,033.22/2,791.36
  6. Step 6: Final answer
    x = 1,587.05

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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.