Home / 3,621.24-5,431.26-1,023.72

Finding the Fourth Proportional to 3,621.24, 5,431.26 and 1,023.72

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Solution

The fourth proportional to 3,621.24, 5,431.26 and 1,023.72 is: 1,535.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.24 : 5,431.26 = 1,023.72 : x
  2. Step 2: Convert to fraction form
    3,621.24/5,431.26 = 1,023.72/x
  3. Step 3: Cross multiply
    3,621.24x = 5,431.26 × 1,023.72
  4. Step 4: Simplify right side
    3,621.24x = 5,560,089.49
  5. Step 5: Solve for x
    x = 5,560,089.49/3,621.24
  6. Step 6: Final answer
    x = 1,535.41

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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.