Home / 2,490.30-3,735.66-1,941.42

Finding the Fourth Proportional to 2,490.30, 3,735.66 and 1,941.42

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Solution

The fourth proportional to 2,490.30, 3,735.66 and 1,941.42 is: 2,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.30 : 3,735.66 = 1,941.42 : x
  2. Step 2: Convert to fraction form
    2,490.30/3,735.66 = 1,941.42/x
  3. Step 3: Cross multiply
    2,490.30x = 3,735.66 × 1,941.42
  4. Step 4: Simplify right side
    2,490.30x = 7,252,485.04
  5. Step 5: Solve for x
    x = 7,252,485.04/2,490.30
  6. Step 6: Final answer
    x = 2,912.29

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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.