Home / 2,519.61-3,473.71-2,069.79

Finding the Fourth Proportional to 2,519.61, 3,473.71 and 2,069.79

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Solution

The fourth proportional to 2,519.61, 3,473.71 and 2,069.79 is: 2,853.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.61 : 3,473.71 = 2,069.79 : x
  2. Step 2: Convert to fraction form
    2,519.61/3,473.71 = 2,069.79/x
  3. Step 3: Cross multiply
    2,519.61x = 3,473.71 × 2,069.79
  4. Step 4: Simplify right side
    2,519.61x = 7,189,850.22
  5. Step 5: Solve for x
    x = 7,189,850.22/2,519.61
  6. Step 6: Final answer
    x = 2,853.56

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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.