Home / 1,579.85-2,369.77-484.07

Finding the Fourth Proportional to 1,579.85, 2,369.77 and 484.07

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Solution

The fourth proportional to 1,579.85, 2,369.77 and 484.07 is: 726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.85 : 2,369.77 = 484.07 : x
  2. Step 2: Convert to fraction form
    1,579.85/2,369.77 = 484.07/x
  3. Step 3: Cross multiply
    1,579.85x = 2,369.77 × 484.07
  4. Step 4: Simplify right side
    1,579.85x = 1,147,120.29
  5. Step 5: Solve for x
    x = 1,147,120.29/1,579.85
  6. Step 6: Final answer
    x = 726.10

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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.