Home / 3,271.22-4,514.27-1,779.11

Finding the Fourth Proportional to 3,271.22, 4,514.27 and 1,779.11

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Solution

The fourth proportional to 3,271.22, 4,514.27 and 1,779.11 is: 2,455.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.22 : 4,514.27 = 1,779.11 : x
  2. Step 2: Convert to fraction form
    3,271.22/4,514.27 = 1,779.11/x
  3. Step 3: Cross multiply
    3,271.22x = 4,514.27 × 1,779.11
  4. Step 4: Simplify right side
    3,271.22x = 8,031,351.43
  5. Step 5: Solve for x
    x = 8,031,351.43/3,271.22
  6. Step 6: Final answer
    x = 2,455.16

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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.