Home / 1,351.79-2,028.50-935.66

Finding the Fourth Proportional to 1,351.79, 2,028.50 and 935.66

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Solution

The fourth proportional to 1,351.79, 2,028.50 and 935.66 is: 1,404.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.79 : 2,028.50 = 935.66 : x
  2. Step 2: Convert to fraction form
    1,351.79/2,028.50 = 935.66/x
  3. Step 3: Cross multiply
    1,351.79x = 2,028.50 × 935.66
  4. Step 4: Simplify right side
    1,351.79x = 1,897,971.49
  5. Step 5: Solve for x
    x = 1,897,971.49/1,351.79
  6. Step 6: Final answer
    x = 1,404.04

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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.