Home / 3,082.71-4,252.79-2,087.64

Finding the Fourth Proportional to 3,082.71, 4,252.79 and 2,087.64

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Solution

The fourth proportional to 3,082.71, 4,252.79 and 2,087.64 is: 2,880.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.71 : 4,252.79 = 2,087.64 : x
  2. Step 2: Convert to fraction form
    3,082.71/4,252.79 = 2,087.64/x
  3. Step 3: Cross multiply
    3,082.71x = 4,252.79 × 2,087.64
  4. Step 4: Simplify right side
    3,082.71x = 8,878,284.08
  5. Step 5: Solve for x
    x = 8,878,284.08/3,082.71
  6. Step 6: Final answer
    x = 2,880.03

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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.