Home / 1,695.56-2,339.15-1,198.62

Finding the Fourth Proportional to 1,695.56, 2,339.15 and 1,198.62

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Solution

The fourth proportional to 1,695.56, 2,339.15 and 1,198.62 is: 1,653.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.56 : 2,339.15 = 1,198.62 : x
  2. Step 2: Convert to fraction form
    1,695.56/2,339.15 = 1,198.62/x
  3. Step 3: Cross multiply
    1,695.56x = 2,339.15 × 1,198.62
  4. Step 4: Simplify right side
    1,695.56x = 2,803,745.98
  5. Step 5: Solve for x
    x = 2,803,745.98/1,695.56
  6. Step 6: Final answer
    x = 1,653.59

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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.