Home / 4,190.72-5,784.62-2,422.89

Finding the Fourth Proportional to 4,190.72, 5,784.62 and 2,422.89

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Solution

The fourth proportional to 4,190.72, 5,784.62 and 2,422.89 is: 3,344.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.72 : 5,784.62 = 2,422.89 : x
  2. Step 2: Convert to fraction form
    4,190.72/5,784.62 = 2,422.89/x
  3. Step 3: Cross multiply
    4,190.72x = 5,784.62 × 2,422.89
  4. Step 4: Simplify right side
    4,190.72x = 14,015,485.84
  5. Step 5: Solve for x
    x = 14,015,485.84/4,190.72
  6. Step 6: Final answer
    x = 3,344.41

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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.