Home / 3,783.11-5,220.77-2,104.58

Finding the Fourth Proportional to 3,783.11, 5,220.77 and 2,104.58

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Solution

The fourth proportional to 3,783.11, 5,220.77 and 2,104.58 is: 2,904.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.11 : 5,220.77 = 2,104.58 : x
  2. Step 2: Convert to fraction form
    3,783.11/5,220.77 = 2,104.58/x
  3. Step 3: Cross multiply
    3,783.11x = 5,220.77 × 2,104.58
  4. Step 4: Simplify right side
    3,783.11x = 10,987,491.50
  5. Step 5: Solve for x
    x = 10,987,491.50/3,783.11
  6. Step 6: Final answer
    x = 2,904.36

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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.