Home / 3,664.23-5,056.62-1,985.67

Finding the Fourth Proportional to 3,664.23, 5,056.62 and 1,985.67

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Solution

The fourth proportional to 3,664.23, 5,056.62 and 1,985.67 is: 2,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.23 : 5,056.62 = 1,985.67 : x
  2. Step 2: Convert to fraction form
    3,664.23/5,056.62 = 1,985.67/x
  3. Step 3: Cross multiply
    3,664.23x = 5,056.62 × 1,985.67
  4. Step 4: Simplify right side
    3,664.23x = 10,040,778.64
  5. Step 5: Solve for x
    x = 10,040,778.64/3,664.23
  6. Step 6: Final answer
    x = 2,740.22

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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.