Home / 3,559.21-4,912.06-2,661.39

Finding the Fourth Proportional to 3,559.21, 4,912.06 and 2,661.39

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Solution

The fourth proportional to 3,559.21, 4,912.06 and 2,661.39 is: 3,672.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.21 : 4,912.06 = 2,661.39 : x
  2. Step 2: Convert to fraction form
    3,559.21/4,912.06 = 2,661.39/x
  3. Step 3: Cross multiply
    3,559.21x = 4,912.06 × 2,661.39
  4. Step 4: Simplify right side
    3,559.21x = 13,072,907.36
  5. Step 5: Solve for x
    x = 13,072,907.36/3,559.21
  6. Step 6: Final answer
    x = 3,672.98

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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.