Home / 3,558.31-4,912.77-3,184.64

Finding the Fourth Proportional to 3,558.31, 4,912.77 and 3,184.64

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Solution

The fourth proportional to 3,558.31, 4,912.77 and 3,184.64 is: 4,396.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.31 : 4,912.77 = 3,184.64 : x
  2. Step 2: Convert to fraction form
    3,558.31/4,912.77 = 3,184.64/x
  3. Step 3: Cross multiply
    3,558.31x = 4,912.77 × 3,184.64
  4. Step 4: Simplify right side
    3,558.31x = 15,645,409.65
  5. Step 5: Solve for x
    x = 15,645,409.65/3,558.31
  6. Step 6: Final answer
    x = 4,396.87

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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.