Home / 1,579.48-2,369.22-484.27

Finding the Fourth Proportional to 1,579.48, 2,369.22 and 484.27

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Solution

The fourth proportional to 1,579.48, 2,369.22 and 484.27 is: 726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.48 : 2,369.22 = 484.27 : x
  2. Step 2: Convert to fraction form
    1,579.48/2,369.22 = 484.27/x
  3. Step 3: Cross multiply
    1,579.48x = 2,369.22 × 484.27
  4. Step 4: Simplify right side
    1,579.48x = 1,147,342.17
  5. Step 5: Solve for x
    x = 1,147,342.17/1,579.48
  6. Step 6: Final answer
    x = 726.41

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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.