Home / 1,618.38-2,248.44-1,598.94

Finding the Fourth Proportional to 1,618.38, 2,248.44 and 1,598.94

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Solution

The fourth proportional to 1,618.38, 2,248.44 and 1,598.94 is: 2,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618.38 : 2,248.44 = 1,598.94 : x
  2. Step 2: Convert to fraction form
    1,618.38/2,248.44 = 1,598.94/x
  3. Step 3: Cross multiply
    1,618.38x = 2,248.44 × 1,598.94
  4. Step 4: Simplify right side
    1,618.38x = 3,595,120.65
  5. Step 5: Solve for x
    x = 3,595,120.65/1,618.38
  6. Step 6: Final answer
    x = 2,221.43

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.