Home / 3,080.56-4,613.89-2,160.23

Finding the Fourth Proportional to 3,080.56, 4,613.89 and 2,160.23

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Solution

The fourth proportional to 3,080.56, 4,613.89 and 2,160.23 is: 3,235.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.56 : 4,613.89 = 2,160.23 : x
  2. Step 2: Convert to fraction form
    3,080.56/4,613.89 = 2,160.23/x
  3. Step 3: Cross multiply
    3,080.56x = 4,613.89 × 2,160.23
  4. Step 4: Simplify right side
    3,080.56x = 9,967,065.54
  5. Step 5: Solve for x
    x = 9,967,065.54/3,080.56
  6. Step 6: Final answer
    x = 3,235.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.