Home / 3,635.36-5,017.92-2,238.56

Finding the Fourth Proportional to 3,635.36, 5,017.92 and 2,238.56

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Solution

The fourth proportional to 3,635.36, 5,017.92 and 2,238.56 is: 3,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.36 : 5,017.92 = 2,238.56 : x
  2. Step 2: Convert to fraction form
    3,635.36/5,017.92 = 2,238.56/x
  3. Step 3: Cross multiply
    3,635.36x = 5,017.92 × 2,238.56
  4. Step 4: Simplify right side
    3,635.36x = 11,232,915.00
  5. Step 5: Solve for x
    x = 11,232,915.00/3,635.36
  6. Step 6: Final answer
    x = 3,089.90

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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.