Home / 2,211.14-3,050.31-1,326.77

Finding the Fourth Proportional to 2,211.14, 3,050.31 and 1,326.77

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Solution

The fourth proportional to 2,211.14, 3,050.31 and 1,326.77 is: 1,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.14 : 3,050.31 = 1,326.77 : x
  2. Step 2: Convert to fraction form
    2,211.14/3,050.31 = 1,326.77/x
  3. Step 3: Cross multiply
    2,211.14x = 3,050.31 × 1,326.77
  4. Step 4: Simplify right side
    2,211.14x = 4,047,059.80
  5. Step 5: Solve for x
    x = 4,047,059.80/2,211.14
  6. Step 6: Final answer
    x = 1,830.30

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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.