Home / 3,975.13-5,485.93-2,296.61

Finding the Fourth Proportional to 3,975.13, 5,485.93 and 2,296.61

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Solution

The fourth proportional to 3,975.13, 5,485.93 and 2,296.61 is: 3,169.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.13 : 5,485.93 = 2,296.61 : x
  2. Step 2: Convert to fraction form
    3,975.13/5,485.93 = 2,296.61/x
  3. Step 3: Cross multiply
    3,975.13x = 5,485.93 × 2,296.61
  4. Step 4: Simplify right side
    3,975.13x = 12,599,020.01
  5. Step 5: Solve for x
    x = 12,599,020.01/3,975.13
  6. Step 6: Final answer
    x = 3,169.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.