Home / 3,104.12-4,284.09-1,777.95

Finding the Fourth Proportional to 3,104.12, 4,284.09 and 1,777.95

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Solution

The fourth proportional to 3,104.12, 4,284.09 and 1,777.95 is: 2,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.12 : 4,284.09 = 1,777.95 : x
  2. Step 2: Convert to fraction form
    3,104.12/4,284.09 = 1,777.95/x
  3. Step 3: Cross multiply
    3,104.12x = 4,284.09 × 1,777.95
  4. Step 4: Simplify right side
    3,104.12x = 7,616,897.82
  5. Step 5: Solve for x
    x = 7,616,897.82/3,104.12
  6. Step 6: Final answer
    x = 2,453.80

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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.