Home / 3,340.16-4,609.46-2,081.72

Finding the Fourth Proportional to 3,340.16, 4,609.46 and 2,081.72

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Solution

The fourth proportional to 3,340.16, 4,609.46 and 2,081.72 is: 2,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.16 : 4,609.46 = 2,081.72 : x
  2. Step 2: Convert to fraction form
    3,340.16/4,609.46 = 2,081.72/x
  3. Step 3: Cross multiply
    3,340.16x = 4,609.46 × 2,081.72
  4. Step 4: Simplify right side
    3,340.16x = 9,595,621.80
  5. Step 5: Solve for x
    x = 9,595,621.80/3,340.16
  6. Step 6: Final answer
    x = 2,872.80

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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.