Home / 3,271.20-4,514.40-2,092.16

Finding the Fourth Proportional to 3,271.20, 4,514.40 and 2,092.16

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Solution

The fourth proportional to 3,271.20, 4,514.40 and 2,092.16 is: 2,887.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.20 : 4,514.40 = 2,092.16 : x
  2. Step 2: Convert to fraction form
    3,271.20/4,514.40 = 2,092.16/x
  3. Step 3: Cross multiply
    3,271.20x = 4,514.40 × 2,092.16
  4. Step 4: Simplify right side
    3,271.20x = 9,444,847.10
  5. Step 5: Solve for x
    x = 9,444,847.10/3,271.20
  6. Step 6: Final answer
    x = 2,887.27

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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.