Home / 3,583.61-5,365.81-2,101.61

Finding the Fourth Proportional to 3,583.61, 5,365.81 and 2,101.61

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Solution

The fourth proportional to 3,583.61, 5,365.81 and 2,101.61 is: 3,146.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.61 : 5,365.81 = 2,101.61 : x
  2. Step 2: Convert to fraction form
    3,583.61/5,365.81 = 2,101.61/x
  3. Step 3: Cross multiply
    3,583.61x = 5,365.81 × 2,101.61
  4. Step 4: Simplify right side
    3,583.61x = 11,276,856.00
  5. Step 5: Solve for x
    x = 11,276,856.00/3,583.61
  6. Step 6: Final answer
    x = 3,146.79

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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.