Home / 3,104.96-4,284.99-1,779.12

Finding the Fourth Proportional to 3,104.96, 4,284.99 and 1,779.12

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Solution

The fourth proportional to 3,104.96, 4,284.99 and 1,779.12 is: 2,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.96 : 4,284.99 = 1,779.12 : x
  2. Step 2: Convert to fraction form
    3,104.96/4,284.99 = 1,779.12/x
  3. Step 3: Cross multiply
    3,104.96x = 4,284.99 × 1,779.12
  4. Step 4: Simplify right side
    3,104.96x = 7,623,511.41
  5. Step 5: Solve for x
    x = 7,623,511.41/3,104.96
  6. Step 6: Final answer
    x = 2,455.27

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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.