Home / 3,319.26-4,975.52-2,087.54

Finding the Fourth Proportional to 3,319.26, 4,975.52 and 2,087.54

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Solution

The fourth proportional to 3,319.26, 4,975.52 and 2,087.54 is: 3,129.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.26 : 4,975.52 = 2,087.54 : x
  2. Step 2: Convert to fraction form
    3,319.26/4,975.52 = 2,087.54/x
  3. Step 3: Cross multiply
    3,319.26x = 4,975.52 × 2,087.54
  4. Step 4: Simplify right side
    3,319.26x = 10,386,597.02
  5. Step 5: Solve for x
    x = 10,386,597.02/3,319.26
  6. Step 6: Final answer
    x = 3,129.19

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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.