Home / 2,211.44-3,051.90-1,328.00

Finding the Fourth Proportional to 2,211.44, 3,051.90 and 1,328.00

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Solution

The fourth proportional to 2,211.44, 3,051.90 and 1,328.00 is: 1,832.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.44 : 3,051.90 = 1,328.00 : x
  2. Step 2: Convert to fraction form
    2,211.44/3,051.90 = 1,328.00/x
  3. Step 3: Cross multiply
    2,211.44x = 3,051.90 × 1,328.00
  4. Step 4: Simplify right side
    2,211.44x = 4,052,907.94
  5. Step 5: Solve for x
    x = 4,052,907.94/2,211.44
  6. Step 6: Final answer
    x = 1,832.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.