Home / 3,104.97-4,285.47-1,779.56

Finding the Fourth Proportional to 3,104.97, 4,285.47 and 1,779.56

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Solution

The fourth proportional to 3,104.97, 4,285.47 and 1,779.56 is: 2,456.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.97 : 4,285.47 = 1,779.56 : x
  2. Step 2: Convert to fraction form
    3,104.97/4,285.47 = 1,779.56/x
  3. Step 3: Cross multiply
    3,104.97x = 4,285.47 × 1,779.56
  4. Step 4: Simplify right side
    3,104.97x = 7,626,250.99
  5. Step 5: Solve for x
    x = 7,626,250.99/3,104.97
  6. Step 6: Final answer
    x = 2,456.14

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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.