Home / 2,912.70-4,017.98-1,793.88

Finding the Fourth Proportional to 2,912.70, 4,017.98 and 1,793.88

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Solution

The fourth proportional to 2,912.70, 4,017.98 and 1,793.88 is: 2,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.70 : 4,017.98 = 1,793.88 : x
  2. Step 2: Convert to fraction form
    2,912.70/4,017.98 = 1,793.88/x
  3. Step 3: Cross multiply
    2,912.70x = 4,017.98 × 1,793.88
  4. Step 4: Simplify right side
    2,912.70x = 7,207,773.96
  5. Step 5: Solve for x
    x = 7,207,773.96/2,912.70
  6. Step 6: Final answer
    x = 2,474.60

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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.