Home / 2,698.28-3,723.08-2,069.52

Finding the Fourth Proportional to 2,698.28, 3,723.08 and 2,069.52

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Solution

The fourth proportional to 2,698.28, 3,723.08 and 2,069.52 is: 2,855.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.28 : 3,723.08 = 2,069.52 : x
  2. Step 2: Convert to fraction form
    2,698.28/3,723.08 = 2,069.52/x
  3. Step 3: Cross multiply
    2,698.28x = 3,723.08 × 2,069.52
  4. Step 4: Simplify right side
    2,698.28x = 7,704,988.52
  5. Step 5: Solve for x
    x = 7,704,988.52/2,698.28
  6. Step 6: Final answer
    x = 2,855.52

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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.