Home / 1,890.41-2,833.65-1,369.12

Finding the Fourth Proportional to 1,890.41, 2,833.65 and 1,369.12

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Solution

The fourth proportional to 1,890.41, 2,833.65 and 1,369.12 is: 2,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.41 : 2,833.65 = 1,369.12 : x
  2. Step 2: Convert to fraction form
    1,890.41/2,833.65 = 1,369.12/x
  3. Step 3: Cross multiply
    1,890.41x = 2,833.65 × 1,369.12
  4. Step 4: Simplify right side
    1,890.41x = 3,879,605.12
  5. Step 5: Solve for x
    x = 3,879,605.12/1,890.41
  6. Step 6: Final answer
    x = 2,052.26

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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.