Home / 3,746.39-5,619.60-2,081.54

Finding the Fourth Proportional to 3,746.39, 5,619.60 and 2,081.54

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Solution

The fourth proportional to 3,746.39, 5,619.60 and 2,081.54 is: 3,122.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.39 : 5,619.60 = 2,081.54 : x
  2. Step 2: Convert to fraction form
    3,746.39/5,619.60 = 2,081.54/x
  3. Step 3: Cross multiply
    3,746.39x = 5,619.60 × 2,081.54
  4. Step 4: Simplify right side
    3,746.39x = 11,697,422.18
  5. Step 5: Solve for x
    x = 11,697,422.18/3,746.39
  6. Step 6: Final answer
    x = 3,122.32

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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.