Home / 3,204.41-4,420.40-2,783.81

Finding the Fourth Proportional to 3,204.41, 4,420.40 and 2,783.81

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Solution

The fourth proportional to 3,204.41, 4,420.40 and 2,783.81 is: 3,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.41 : 4,420.40 = 2,783.81 : x
  2. Step 2: Convert to fraction form
    3,204.41/4,420.40 = 2,783.81/x
  3. Step 3: Cross multiply
    3,204.41x = 4,420.40 × 2,783.81
  4. Step 4: Simplify right side
    3,204.41x = 12,305,550.86
  5. Step 5: Solve for x
    x = 12,305,550.86/3,204.41
  6. Step 6: Final answer
    x = 3,840.20

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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.