Home / 2,205.96-3,044.14-1,321.30

Finding the Fourth Proportional to 2,205.96, 3,044.14 and 1,321.30

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Solution

The fourth proportional to 2,205.96, 3,044.14 and 1,321.30 is: 1,823.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.96 : 3,044.14 = 1,321.30 : x
  2. Step 2: Convert to fraction form
    2,205.96/3,044.14 = 1,321.30/x
  3. Step 3: Cross multiply
    2,205.96x = 3,044.14 × 1,321.30
  4. Step 4: Simplify right side
    2,205.96x = 4,022,222.18
  5. Step 5: Solve for x
    x = 4,022,222.18/2,205.96
  6. Step 6: Final answer
    x = 1,823.34

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1.5x scale

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.