Home / 1,466.26-2,198.88-425.98

Finding the Fourth Proportional to 1,466.26, 2,198.88 and 425.98

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Solution

The fourth proportional to 1,466.26, 2,198.88 and 425.98 is: 638.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.26 : 2,198.88 = 425.98 : x
  2. Step 2: Convert to fraction form
    1,466.26/2,198.88 = 425.98/x
  3. Step 3: Cross multiply
    1,466.26x = 2,198.88 × 425.98
  4. Step 4: Simplify right side
    1,466.26x = 936,678.90
  5. Step 5: Solve for x
    x = 936,678.90/1,466.26
  6. Step 6: Final answer
    x = 638.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.