Home / 3,923.20-5,883.84-1,325.44

Finding the Fourth Proportional to 3,923.20, 5,883.84 and 1,325.44

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Solution

The fourth proportional to 3,923.20, 5,883.84 and 1,325.44 is: 1,987.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.20 : 5,883.84 = 1,325.44 : x
  2. Step 2: Convert to fraction form
    3,923.20/5,883.84 = 1,325.44/x
  3. Step 3: Cross multiply
    3,923.20x = 5,883.84 × 1,325.44
  4. Step 4: Simplify right side
    3,923.20x = 7,798,676.89
  5. Step 5: Solve for x
    x = 7,798,676.89/3,923.20
  6. Step 6: Final answer
    x = 1,987.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.