Home / 3,782.36-5,219.35-2,103.77

Finding the Fourth Proportional to 3,782.36, 5,219.35 and 2,103.77

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Solution

The fourth proportional to 3,782.36, 5,219.35 and 2,103.77 is: 2,903.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.36 : 5,219.35 = 2,103.77 : x
  2. Step 2: Convert to fraction form
    3,782.36/5,219.35 = 2,103.77/x
  3. Step 3: Cross multiply
    3,782.36x = 5,219.35 × 2,103.77
  4. Step 4: Simplify right side
    3,782.36x = 10,980,275.33
  5. Step 5: Solve for x
    x = 10,980,275.33/3,782.36
  6. Step 6: Final answer
    x = 2,903.03

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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.