Home / 3,195.95-4,797.56-1,900.15

Finding the Fourth Proportional to 3,195.95, 4,797.56 and 1,900.15

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Solution

The fourth proportional to 3,195.95, 4,797.56 and 1,900.15 is: 2,852.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.95 : 4,797.56 = 1,900.15 : x
  2. Step 2: Convert to fraction form
    3,195.95/4,797.56 = 1,900.15/x
  3. Step 3: Cross multiply
    3,195.95x = 4,797.56 × 1,900.15
  4. Step 4: Simplify right side
    3,195.95x = 9,116,076.39
  5. Step 5: Solve for x
    x = 9,116,076.39/3,195.95
  6. Step 6: Final answer
    x = 2,852.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.