Home / 3,271.11-4,514.19-1,779.06

Finding the Fourth Proportional to 3,271.11, 4,514.19 and 1,779.06

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Solution

The fourth proportional to 3,271.11, 4,514.19 and 1,779.06 is: 2,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.11 : 4,514.19 = 1,779.06 : x
  2. Step 2: Convert to fraction form
    3,271.11/4,514.19 = 1,779.06/x
  3. Step 3: Cross multiply
    3,271.11x = 4,514.19 × 1,779.06
  4. Step 4: Simplify right side
    3,271.11x = 8,031,014.86
  5. Step 5: Solve for x
    x = 8,031,014.86/3,271.11
  6. Step 6: Final answer
    x = 2,455.13

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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.