Home / 3,104.88-4,285.08-1,778.16

Finding the Fourth Proportional to 3,104.88, 4,285.08 and 1,778.16

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Solution

The fourth proportional to 3,104.88, 4,285.08 and 1,778.16 is: 2,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.88 : 4,285.08 = 1,778.16 : x
  2. Step 2: Convert to fraction form
    3,104.88/4,285.08 = 1,778.16/x
  3. Step 3: Cross multiply
    3,104.88x = 4,285.08 × 1,778.16
  4. Step 4: Simplify right side
    3,104.88x = 7,619,557.85
  5. Step 5: Solve for x
    x = 7,619,557.85/3,104.88
  6. Step 6: Final answer
    x = 2,454.06

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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.