Home / 3,271.26-4,514.34-1,779.20

Finding the Fourth Proportional to 3,271.26, 4,514.34 and 1,779.20

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Solution

The fourth proportional to 3,271.26, 4,514.34 and 1,779.20 is: 2,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.26 : 4,514.34 = 1,779.20 : x
  2. Step 2: Convert to fraction form
    3,271.26/4,514.34 = 1,779.20/x
  3. Step 3: Cross multiply
    3,271.26x = 4,514.34 × 1,779.20
  4. Step 4: Simplify right side
    3,271.26x = 8,031,913.73
  5. Step 5: Solve for x
    x = 8,031,913.73/3,271.26
  6. Step 6: Final answer
    x = 2,455.30

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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.