Home / 1,890.83-2,837.77-1,371.08

Finding the Fourth Proportional to 1,890.83, 2,837.77 and 1,371.08

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Solution

The fourth proportional to 1,890.83, 2,837.77 and 1,371.08 is: 2,057.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.83 : 2,837.77 = 1,371.08 : x
  2. Step 2: Convert to fraction form
    1,890.83/2,837.77 = 1,371.08/x
  3. Step 3: Cross multiply
    1,890.83x = 2,837.77 × 1,371.08
  4. Step 4: Simplify right side
    1,890.83x = 3,890,813.36
  5. Step 5: Solve for x
    x = 3,890,813.36/1,890.83
  6. Step 6: Final answer
    x = 2,057.73

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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.