Home / 2,104.15-3,156.90-1,063.03

Finding the Fourth Proportional to 2,104.15, 3,156.90 and 1,063.03

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Solution

The fourth proportional to 2,104.15, 3,156.90 and 1,063.03 is: 1,594.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.15 : 3,156.90 = 1,063.03 : x
  2. Step 2: Convert to fraction form
    2,104.15/3,156.90 = 1,063.03/x
  3. Step 3: Cross multiply
    2,104.15x = 3,156.90 × 1,063.03
  4. Step 4: Simplify right side
    2,104.15x = 3,355,879.41
  5. Step 5: Solve for x
    x = 3,355,879.41/2,104.15
  6. Step 6: Final answer
    x = 1,594.89

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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.