Home / 2,898.33-4,000.26-1,639.38

Finding the Fourth Proportional to 2,898.33, 4,000.26 and 1,639.38

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Solution

The fourth proportional to 2,898.33, 4,000.26 and 1,639.38 is: 2,262.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.33 : 4,000.26 = 1,639.38 : x
  2. Step 2: Convert to fraction form
    2,898.33/4,000.26 = 1,639.38/x
  3. Step 3: Cross multiply
    2,898.33x = 4,000.26 × 1,639.38
  4. Step 4: Simplify right side
    2,898.33x = 6,557,946.24
  5. Step 5: Solve for x
    x = 6,557,946.24/2,898.33
  6. Step 6: Final answer
    x = 2,262.66

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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.