Home / 2,094.21-2,889.99-1,209.96

Finding the Fourth Proportional to 2,094.21, 2,889.99 and 1,209.96

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Solution

The fourth proportional to 2,094.21, 2,889.99 and 1,209.96 is: 1,669.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.21 : 2,889.99 = 1,209.96 : x
  2. Step 2: Convert to fraction form
    2,094.21/2,889.99 = 1,209.96/x
  3. Step 3: Cross multiply
    2,094.21x = 2,889.99 × 1,209.96
  4. Step 4: Simplify right side
    2,094.21x = 3,496,772.30
  5. Step 5: Solve for x
    x = 3,496,772.30/2,094.21
  6. Step 6: Final answer
    x = 1,669.73

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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.