Home / 3,613.21-5,416.48-1,271.94

Finding the Fourth Proportional to 3,613.21, 5,416.48 and 1,271.94

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Solution

The fourth proportional to 3,613.21, 5,416.48 and 1,271.94 is: 1,906.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.21 : 5,416.48 = 1,271.94 : x
  2. Step 2: Convert to fraction form
    3,613.21/5,416.48 = 1,271.94/x
  3. Step 3: Cross multiply
    3,613.21x = 5,416.48 × 1,271.94
  4. Step 4: Simplify right side
    3,613.21x = 6,889,418.85
  5. Step 5: Solve for x
    x = 6,889,418.85/3,613.21
  6. Step 6: Final answer
    x = 1,906.73

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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.