Home / 3,558.36-4,912.34-2,439.75

Finding the Fourth Proportional to 3,558.36, 4,912.34 and 2,439.75

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Solution

The fourth proportional to 3,558.36, 4,912.34 and 2,439.75 is: 3,368.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.36 : 4,912.34 = 2,439.75 : x
  2. Step 2: Convert to fraction form
    3,558.36/4,912.34 = 2,439.75/x
  3. Step 3: Cross multiply
    3,558.36x = 4,912.34 × 2,439.75
  4. Step 4: Simplify right side
    3,558.36x = 11,984,869.32
  5. Step 5: Solve for x
    x = 11,984,869.32/3,558.36
  6. Step 6: Final answer
    x = 3,368.09

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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.