Home / 3,703.36-5,555-2,163.28

Finding the Fourth Proportional to 3,703.36, 5,555 and 2,163.28

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Solution

The fourth proportional to 3,703.36, 5,555 and 2,163.28 is: 3,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.36 : 5,555 = 2,163.28 : x
  2. Step 2: Convert to fraction form
    3,703.36/5,555 = 2,163.28/x
  3. Step 3: Cross multiply
    3,703.36x = 5,555 × 2,163.28
  4. Step 4: Simplify right side
    3,703.36x = 12,017,020.40
  5. Step 5: Solve for x
    x = 12,017,020.40/3,703.36
  6. Step 6: Final answer
    x = 3,244.90

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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.