Home / 2,789.36-4,184.66-1,058

Finding the Fourth Proportional to 2,789.36, 4,184.66 and 1,058

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Solution

The fourth proportional to 2,789.36, 4,184.66 and 1,058 is: 1,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.36 : 4,184.66 = 1,058 : x
  2. Step 2: Convert to fraction form
    2,789.36/4,184.66 = 1,058/x
  3. Step 3: Cross multiply
    2,789.36x = 4,184.66 × 1,058
  4. Step 4: Simplify right side
    2,789.36x = 4,427,370.28
  5. Step 5: Solve for x
    x = 4,427,370.28/2,789.36
  6. Step 6: Final answer
    x = 1,587.24

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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.