Home / 2,698.55-3,723.49-1,579.69

Finding the Fourth Proportional to 2,698.55, 3,723.49 and 1,579.69

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Solution

The fourth proportional to 2,698.55, 3,723.49 and 1,579.69 is: 2,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.55 : 3,723.49 = 1,579.69 : x
  2. Step 2: Convert to fraction form
    2,698.55/3,723.49 = 1,579.69/x
  3. Step 3: Cross multiply
    2,698.55x = 3,723.49 × 1,579.69
  4. Step 4: Simplify right side
    2,698.55x = 5,881,959.92
  5. Step 5: Solve for x
    x = 5,881,959.92/2,698.55
  6. Step 6: Final answer
    x = 2,179.67

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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.