Home / 2,963.55-4,087.99-1,900.94

Finding the Fourth Proportional to 2,963.55, 4,087.99 and 1,900.94

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Solution

The fourth proportional to 2,963.55, 4,087.99 and 1,900.94 is: 2,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.55 : 4,087.99 = 1,900.94 : x
  2. Step 2: Convert to fraction form
    2,963.55/4,087.99 = 1,900.94/x
  3. Step 3: Cross multiply
    2,963.55x = 4,087.99 × 1,900.94
  4. Step 4: Simplify right side
    2,963.55x = 7,771,023.30
  5. Step 5: Solve for x
    x = 7,771,023.30/2,963.55
  6. Step 6: Final answer
    x = 2,622.20

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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.