Home / 2,958.35-4,083.68-1,779.19

Finding the Fourth Proportional to 2,958.35, 4,083.68 and 1,779.19

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Solution

The fourth proportional to 2,958.35, 4,083.68 and 1,779.19 is: 2,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.35 : 4,083.68 = 1,779.19 : x
  2. Step 2: Convert to fraction form
    2,958.35/4,083.68 = 1,779.19/x
  3. Step 3: Cross multiply
    2,958.35x = 4,083.68 × 1,779.19
  4. Step 4: Simplify right side
    2,958.35x = 7,265,636.86
  5. Step 5: Solve for x
    x = 7,265,636.86/2,958.35
  6. Step 6: Final answer
    x = 2,455.98

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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.