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Finding the Fourth Proportional to 1,214.37, 1,676.37 and 794.73

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Solution

The fourth proportional to 1,214.37, 1,676.37 and 794.73 is: 1,097.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214.37 : 1,676.37 = 794.73 : x
  2. Step 2: Convert to fraction form
    1,214.37/1,676.37 = 794.73/x
  3. Step 3: Cross multiply
    1,214.37x = 1,676.37 × 794.73
  4. Step 4: Simplify right side
    1,214.37x = 1,332,261.53
  5. Step 5: Solve for x
    x = 1,332,261.53/1,214.37
  6. Step 6: Final answer
    x = 1,097.08

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1.5x scale

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.