Home / 3,783.22-5,221.02-2,104.60

Finding the Fourth Proportional to 3,783.22, 5,221.02 and 2,104.60

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Solution

The fourth proportional to 3,783.22, 5,221.02 and 2,104.60 is: 2,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.22 : 5,221.02 = 2,104.60 : x
  2. Step 2: Convert to fraction form
    3,783.22/5,221.02 = 2,104.60/x
  3. Step 3: Cross multiply
    3,783.22x = 5,221.02 × 2,104.60
  4. Step 4: Simplify right side
    3,783.22x = 10,988,158.69
  5. Step 5: Solve for x
    x = 10,988,158.69/3,783.22
  6. Step 6: Final answer
    x = 2,904.45

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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.