Home / 2,958.67-4,084.05-1,779.73

Finding the Fourth Proportional to 2,958.67, 4,084.05 and 1,779.73

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Solution

The fourth proportional to 2,958.67, 4,084.05 and 1,779.73 is: 2,456.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.67 : 4,084.05 = 1,779.73 : x
  2. Step 2: Convert to fraction form
    2,958.67/4,084.05 = 1,779.73/x
  3. Step 3: Cross multiply
    2,958.67x = 4,084.05 × 1,779.73
  4. Step 4: Simplify right side
    2,958.67x = 7,268,506.31
  5. Step 5: Solve for x
    x = 7,268,506.31/2,958.67
  6. Step 6: Final answer
    x = 2,456.68

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1.5x scale

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.