Home / 3,783.48-5,221.13-2,104.83

Finding the Fourth Proportional to 3,783.48, 5,221.13 and 2,104.83

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Solution

The fourth proportional to 3,783.48, 5,221.13 and 2,104.83 is: 2,904.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.48 : 5,221.13 = 2,104.83 : x
  2. Step 2: Convert to fraction form
    3,783.48/5,221.13 = 2,104.83/x
  3. Step 3: Cross multiply
    3,783.48x = 5,221.13 × 2,104.83
  4. Step 4: Simplify right side
    3,783.48x = 10,989,591.06
  5. Step 5: Solve for x
    x = 10,989,591.06/3,783.48
  6. Step 6: Final answer
    x = 2,904.63

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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.