Home / 1,469.19-2,027.67-946.74

Finding the Fourth Proportional to 1,469.19, 2,027.67 and 946.74

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Solution

The fourth proportional to 1,469.19, 2,027.67 and 946.74 is: 1,306.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.19 : 2,027.67 = 946.74 : x
  2. Step 2: Convert to fraction form
    1,469.19/2,027.67 = 946.74/x
  3. Step 3: Cross multiply
    1,469.19x = 2,027.67 × 946.74
  4. Step 4: Simplify right side
    1,469.19x = 1,919,676.30
  5. Step 5: Solve for x
    x = 1,919,676.30/1,469.19
  6. Step 6: Final answer
    x = 1,306.62

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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.