Home / 3,198.95-4,797.28-1,225.14

Finding the Fourth Proportional to 3,198.95, 4,797.28 and 1,225.14

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Solution

The fourth proportional to 3,198.95, 4,797.28 and 1,225.14 is: 1,837.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.95 : 4,797.28 = 1,225.14 : x
  2. Step 2: Convert to fraction form
    3,198.95/4,797.28 = 1,225.14/x
  3. Step 3: Cross multiply
    3,198.95x = 4,797.28 × 1,225.14
  4. Step 4: Simplify right side
    3,198.95x = 5,877,323.16
  5. Step 5: Solve for x
    x = 5,877,323.16/3,198.95
  6. Step 6: Final answer
    x = 1,837.26

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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.