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Finding the Fourth Proportional to 1,412.82, 1,950.36 and 941.50

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Solution

The fourth proportional to 1,412.82, 1,950.36 and 941.50 is: 1,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412.82 : 1,950.36 = 941.50 : x
  2. Step 2: Convert to fraction form
    1,412.82/1,950.36 = 941.50/x
  3. Step 3: Cross multiply
    1,412.82x = 1,950.36 × 941.50
  4. Step 4: Simplify right side
    1,412.82x = 1,836,263.94
  5. Step 5: Solve for x
    x = 1,836,263.94/1,412.82
  6. Step 6: Final answer
    x = 1,299.72

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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.