Home / 3,783.41-5,220.70-2,104.55

Finding the Fourth Proportional to 3,783.41, 5,220.70 and 2,104.55

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Solution

The fourth proportional to 3,783.41, 5,220.70 and 2,104.55 is: 2,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.41 : 5,220.70 = 2,104.55 : x
  2. Step 2: Convert to fraction form
    3,783.41/5,220.70 = 2,104.55/x
  3. Step 3: Cross multiply
    3,783.41x = 5,220.70 × 2,104.55
  4. Step 4: Simplify right side
    3,783.41x = 10,987,224.19
  5. Step 5: Solve for x
    x = 10,987,224.19/3,783.41
  6. Step 6: Final answer
    x = 2,904.05

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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.