Home / 1,927.25-2,896.34-1,878.04

Finding the Fourth Proportional to 1,927.25, 2,896.34 and 1,878.04

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Solution

The fourth proportional to 1,927.25, 2,896.34 and 1,878.04 is: 2,822.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.25 : 2,896.34 = 1,878.04 : x
  2. Step 2: Convert to fraction form
    1,927.25/2,896.34 = 1,878.04/x
  3. Step 3: Cross multiply
    1,927.25x = 2,896.34 × 1,878.04
  4. Step 4: Simplify right side
    1,927.25x = 5,439,442.37
  5. Step 5: Solve for x
    x = 5,439,442.37/1,927.25
  6. Step 6: Final answer
    x = 2,822.39

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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.