Home / 4,191.22-5,783.78-2,302.80

Finding the Fourth Proportional to 4,191.22, 5,783.78 and 2,302.80

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Solution

The fourth proportional to 4,191.22, 5,783.78 and 2,302.80 is: 3,177.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.22 : 5,783.78 = 2,302.80 : x
  2. Step 2: Convert to fraction form
    4,191.22/5,783.78 = 2,302.80/x
  3. Step 3: Cross multiply
    4,191.22x = 5,783.78 × 2,302.80
  4. Step 4: Simplify right side
    4,191.22x = 13,318,914.98
  5. Step 5: Solve for x
    x = 13,318,914.98/4,191.22
  6. Step 6: Final answer
    x = 3,177.81

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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.