Home / 3,389.93-5,085.08-1,081.25

Finding the Fourth Proportional to 3,389.93, 5,085.08 and 1,081.25

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Solution

The fourth proportional to 3,389.93, 5,085.08 and 1,081.25 is: 1,621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.93 : 5,085.08 = 1,081.25 : x
  2. Step 2: Convert to fraction form
    3,389.93/5,085.08 = 1,081.25/x
  3. Step 3: Cross multiply
    3,389.93x = 5,085.08 × 1,081.25
  4. Step 4: Simplify right side
    3,389.93x = 5,498,237.34
  5. Step 5: Solve for x
    x = 5,498,237.34/3,389.93
  6. Step 6: Final answer
    x = 1,621.93

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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.