Home / 2,971.90-4,102.08-1,793.05

Finding the Fourth Proportional to 2,971.90, 4,102.08 and 1,793.05

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Solution

The fourth proportional to 2,971.90, 4,102.08 and 1,793.05 is: 2,474.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.90 : 4,102.08 = 1,793.05 : x
  2. Step 2: Convert to fraction form
    2,971.90/4,102.08 = 1,793.05/x
  3. Step 3: Cross multiply
    2,971.90x = 4,102.08 × 1,793.05
  4. Step 4: Simplify right side
    2,971.90x = 7,355,234.54
  5. Step 5: Solve for x
    x = 7,355,234.54/2,971.90
  6. Step 6: Final answer
    x = 2,474.93

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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.