Home / 3,884.10-5,360.12-2,205.53

Finding the Fourth Proportional to 3,884.10, 5,360.12 and 2,205.53

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Solution

The fourth proportional to 3,884.10, 5,360.12 and 2,205.53 is: 3,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.10 : 5,360.12 = 2,205.53 : x
  2. Step 2: Convert to fraction form
    3,884.10/5,360.12 = 2,205.53/x
  3. Step 3: Cross multiply
    3,884.10x = 5,360.12 × 2,205.53
  4. Step 4: Simplify right side
    3,884.10x = 11,821,908.41
  5. Step 5: Solve for x
    x = 11,821,908.41/3,884.10
  6. Step 6: Final answer
    x = 3,043.67

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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.