Home / 3,922.24-5,884.20-1,325.12

Finding the Fourth Proportional to 3,922.24, 5,884.20 and 1,325.12

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Solution

The fourth proportional to 3,922.24, 5,884.20 and 1,325.12 is: 1,987.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.24 : 5,884.20 = 1,325.12 : x
  2. Step 2: Convert to fraction form
    3,922.24/5,884.20 = 1,325.12/x
  3. Step 3: Cross multiply
    3,922.24x = 5,884.20 × 1,325.12
  4. Step 4: Simplify right side
    3,922.24x = 7,797,271.10
  5. Step 5: Solve for x
    x = 7,797,271.10/3,922.24
  6. Step 6: Final answer
    x = 1,987.96

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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.