Home / 3,895.08-5,842.42-1,429.70

Finding the Fourth Proportional to 3,895.08, 5,842.42 and 1,429.70

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Solution

The fourth proportional to 3,895.08, 5,842.42 and 1,429.70 is: 2,144.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.08 : 5,842.42 = 1,429.70 : x
  2. Step 2: Convert to fraction form
    3,895.08/5,842.42 = 1,429.70/x
  3. Step 3: Cross multiply
    3,895.08x = 5,842.42 × 1,429.70
  4. Step 4: Simplify right side
    3,895.08x = 8,352,914.77
  5. Step 5: Solve for x
    x = 8,352,914.77/3,895.08
  6. Step 6: Final answer
    x = 2,144.48

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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.