Home / 1,933.11-2,898.45-1,283.09

Finding the Fourth Proportional to 1,933.11, 2,898.45 and 1,283.09

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Solution

The fourth proportional to 1,933.11, 2,898.45 and 1,283.09 is: 1,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.11 : 2,898.45 = 1,283.09 : x
  2. Step 2: Convert to fraction form
    1,933.11/2,898.45 = 1,283.09/x
  3. Step 3: Cross multiply
    1,933.11x = 2,898.45 × 1,283.09
  4. Step 4: Simplify right side
    1,933.11x = 3,718,957.72
  5. Step 5: Solve for x
    x = 3,718,957.72/1,933.11
  6. Step 6: Final answer
    x = 1,923.82

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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.