Home / 2,058.23-3,085.05-823.93

Finding the Fourth Proportional to 2,058.23, 3,085.05 and 823.93

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Solution

The fourth proportional to 2,058.23, 3,085.05 and 823.93 is: 1,234.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.23 : 3,085.05 = 823.93 : x
  2. Step 2: Convert to fraction form
    2,058.23/3,085.05 = 823.93/x
  3. Step 3: Cross multiply
    2,058.23x = 3,085.05 × 823.93
  4. Step 4: Simplify right side
    2,058.23x = 2,541,865.25
  5. Step 5: Solve for x
    x = 2,541,865.25/2,058.23
  6. Step 6: Final answer
    x = 1,234.98

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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.