Home / 2,529.48-3,800.43-2,389.62

Finding the Fourth Proportional to 2,529.48, 3,800.43 and 2,389.62

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Solution

The fourth proportional to 2,529.48, 3,800.43 and 2,389.62 is: 3,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.48 : 3,800.43 = 2,389.62 : x
  2. Step 2: Convert to fraction form
    2,529.48/3,800.43 = 2,389.62/x
  3. Step 3: Cross multiply
    2,529.48x = 3,800.43 × 2,389.62
  4. Step 4: Simplify right side
    2,529.48x = 9,081,583.54
  5. Step 5: Solve for x
    x = 9,081,583.54/2,529.48
  6. Step 6: Final answer
    x = 3,590.30

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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.