Home / 3,271.29-4,514.17-1,855.28

Finding the Fourth Proportional to 3,271.29, 4,514.17 and 1,855.28

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Solution

The fourth proportional to 3,271.29, 4,514.17 and 1,855.28 is: 2,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.29 : 4,514.17 = 1,855.28 : x
  2. Step 2: Convert to fraction form
    3,271.29/4,514.17 = 1,855.28/x
  3. Step 3: Cross multiply
    3,271.29x = 4,514.17 × 1,855.28
  4. Step 4: Simplify right side
    3,271.29x = 8,375,049.32
  5. Step 5: Solve for x
    x = 8,375,049.32/3,271.29
  6. Step 6: Final answer
    x = 2,560.17

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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.