Home / 3,607.44-4,975.74-2,278.85

Finding the Fourth Proportional to 3,607.44, 4,975.74 and 2,278.85

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Solution

The fourth proportional to 3,607.44, 4,975.74 and 2,278.85 is: 3,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.44 : 4,975.74 = 2,278.85 : x
  2. Step 2: Convert to fraction form
    3,607.44/4,975.74 = 2,278.85/x
  3. Step 3: Cross multiply
    3,607.44x = 4,975.74 × 2,278.85
  4. Step 4: Simplify right side
    3,607.44x = 11,338,940.22
  5. Step 5: Solve for x
    x = 11,338,940.22/3,607.44
  6. Step 6: Final answer
    x = 3,143.21

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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.