Home / 2,698.44-4,045.42-1,878.31

Finding the Fourth Proportional to 2,698.44, 4,045.42 and 1,878.31

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Solution

The fourth proportional to 2,698.44, 4,045.42 and 1,878.31 is: 2,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.44 : 4,045.42 = 1,878.31 : x
  2. Step 2: Convert to fraction form
    2,698.44/4,045.42 = 1,878.31/x
  3. Step 3: Cross multiply
    2,698.44x = 4,045.42 × 1,878.31
  4. Step 4: Simplify right side
    2,698.44x = 7,598,552.84
  5. Step 5: Solve for x
    x = 7,598,552.84/2,698.44
  6. Step 6: Final answer
    x = 2,815.91

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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.