Home / 1,933.29-2,900.34-1,239.66

Finding the Fourth Proportional to 1,933.29, 2,900.34 and 1,239.66

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Solution

The fourth proportional to 1,933.29, 2,900.34 and 1,239.66 is: 1,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.29 : 2,900.34 = 1,239.66 : x
  2. Step 2: Convert to fraction form
    1,933.29/2,900.34 = 1,239.66/x
  3. Step 3: Cross multiply
    1,933.29x = 2,900.34 × 1,239.66
  4. Step 4: Simplify right side
    1,933.29x = 3,595,435.48
  5. Step 5: Solve for x
    x = 3,595,435.48/1,933.29
  6. Step 6: Final answer
    x = 1,859.75

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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.