Home / 3,270.85-4,514.75-2,152.65

Finding the Fourth Proportional to 3,270.85, 4,514.75 and 2,152.65

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Solution

The fourth proportional to 3,270.85, 4,514.75 and 2,152.65 is: 2,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.85 : 4,514.75 = 2,152.65 : x
  2. Step 2: Convert to fraction form
    3,270.85/4,514.75 = 2,152.65/x
  3. Step 3: Cross multiply
    3,270.85x = 4,514.75 × 2,152.65
  4. Step 4: Simplify right side
    3,270.85x = 9,718,676.59
  5. Step 5: Solve for x
    x = 9,718,676.59/3,270.85
  6. Step 6: Final answer
    x = 2,971.30

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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.