Home / 3,271.35-4,514.05-2,211.42

Finding the Fourth Proportional to 3,271.35, 4,514.05 and 2,211.42

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Solution

The fourth proportional to 3,271.35, 4,514.05 and 2,211.42 is: 3,051.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.35 : 4,514.05 = 2,211.42 : x
  2. Step 2: Convert to fraction form
    3,271.35/4,514.05 = 2,211.42/x
  3. Step 3: Cross multiply
    3,271.35x = 4,514.05 × 2,211.42
  4. Step 4: Simplify right side
    3,271.35x = 9,982,460.45
  5. Step 5: Solve for x
    x = 9,982,460.45/3,271.35
  6. Step 6: Final answer
    x = 3,051.48

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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.