Home / 1,964.75-2,941.27-1,269.39

Finding the Fourth Proportional to 1,964.75, 2,941.27 and 1,269.39

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Solution

The fourth proportional to 1,964.75, 2,941.27 and 1,269.39 is: 1,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.75 : 2,941.27 = 1,269.39 : x
  2. Step 2: Convert to fraction form
    1,964.75/2,941.27 = 1,269.39/x
  3. Step 3: Cross multiply
    1,964.75x = 2,941.27 × 1,269.39
  4. Step 4: Simplify right side
    1,964.75x = 3,733,604.02
  5. Step 5: Solve for x
    x = 3,733,604.02/1,964.75
  6. Step 6: Final answer
    x = 1,900.30

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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.