Home / 3,929.96-5,898.18-1,623.08

Finding the Fourth Proportional to 3,929.96, 5,898.18 and 1,623.08

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Solution

The fourth proportional to 3,929.96, 5,898.18 and 1,623.08 is: 2,435.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.96 : 5,898.18 = 1,623.08 : x
  2. Step 2: Convert to fraction form
    3,929.96/5,898.18 = 1,623.08/x
  3. Step 3: Cross multiply
    3,929.96x = 5,898.18 × 1,623.08
  4. Step 4: Simplify right side
    3,929.96x = 9,573,217.99
  5. Step 5: Solve for x
    x = 9,573,217.99/3,929.96
  6. Step 6: Final answer
    x = 2,435.96

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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.