Home / 1,469.13-2,028.61-946.07

Finding the Fourth Proportional to 1,469.13, 2,028.61 and 946.07

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Solution

The fourth proportional to 1,469.13, 2,028.61 and 946.07 is: 1,306.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.13 : 2,028.61 = 946.07 : x
  2. Step 2: Convert to fraction form
    1,469.13/2,028.61 = 946.07/x
  3. Step 3: Cross multiply
    1,469.13x = 2,028.61 × 946.07
  4. Step 4: Simplify right side
    1,469.13x = 1,919,207.06
  5. Step 5: Solve for x
    x = 1,919,207.06/1,469.13
  6. Step 6: Final answer
    x = 1,306.36

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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.