Home / 2,670.33-4,006.94-1,111.41

Finding the Fourth Proportional to 2,670.33, 4,006.94 and 1,111.41

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Solution

The fourth proportional to 2,670.33, 4,006.94 and 1,111.41 is: 1,667.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.33 : 4,006.94 = 1,111.41 : x
  2. Step 2: Convert to fraction form
    2,670.33/4,006.94 = 1,111.41/x
  3. Step 3: Cross multiply
    2,670.33x = 4,006.94 × 1,111.41
  4. Step 4: Simplify right side
    2,670.33x = 4,453,347.63
  5. Step 5: Solve for x
    x = 4,453,347.63/2,670.33
  6. Step 6: Final answer
    x = 1,667.71

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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.