Home / 3,635.21-5,453.36-1,555.22

Finding the Fourth Proportional to 3,635.21, 5,453.36 and 1,555.22

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Solution

The fourth proportional to 3,635.21, 5,453.36 and 1,555.22 is: 2,333.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.21 : 5,453.36 = 1,555.22 : x
  2. Step 2: Convert to fraction form
    3,635.21/5,453.36 = 1,555.22/x
  3. Step 3: Cross multiply
    3,635.21x = 5,453.36 × 1,555.22
  4. Step 4: Simplify right side
    3,635.21x = 8,481,192.06
  5. Step 5: Solve for x
    x = 8,481,192.06/3,635.21
  6. Step 6: Final answer
    x = 2,333.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.