Home / 2,958.21-4,083.08-1,779.98

Finding the Fourth Proportional to 2,958.21, 4,083.08 and 1,779.98

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Solution

The fourth proportional to 2,958.21, 4,083.08 and 1,779.98 is: 2,456.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.21 : 4,083.08 = 1,779.98 : x
  2. Step 2: Convert to fraction form
    2,958.21/4,083.08 = 1,779.98/x
  3. Step 3: Cross multiply
    2,958.21x = 4,083.08 × 1,779.98
  4. Step 4: Simplify right side
    2,958.21x = 7,267,771.42
  5. Step 5: Solve for x
    x = 7,267,771.42/2,958.21
  6. Step 6: Final answer
    x = 2,456.81

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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.