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Finding the Fourth Proportional to 1,798.94, 2,698.41 and 500.41

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Solution

The fourth proportional to 1,798.94, 2,698.41 and 500.41 is: 750.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.94 : 2,698.41 = 500.41 : x
  2. Step 2: Convert to fraction form
    1,798.94/2,698.41 = 500.41/x
  3. Step 3: Cross multiply
    1,798.94x = 2,698.41 × 500.41
  4. Step 4: Simplify right side
    1,798.94x = 1,350,311.35
  5. Step 5: Solve for x
    x = 1,350,311.35/1,798.94
  6. Step 6: Final answer
    x = 750.62

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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.