Home / 1,723.11-2,584.27-490.49

Finding the Fourth Proportional to 1,723.11, 2,584.27 and 490.49

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Solution

The fourth proportional to 1,723.11, 2,584.27 and 490.49 is: 735.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.11 : 2,584.27 = 490.49 : x
  2. Step 2: Convert to fraction form
    1,723.11/2,584.27 = 490.49/x
  3. Step 3: Cross multiply
    1,723.11x = 2,584.27 × 490.49
  4. Step 4: Simplify right side
    1,723.11x = 1,267,554.75
  5. Step 5: Solve for x
    x = 1,267,554.75/1,723.11
  6. Step 6: Final answer
    x = 735.62

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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.