Home / 3,895.63-5,839.80-1,429.79

Finding the Fourth Proportional to 3,895.63, 5,839.80 and 1,429.79

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Solution

The fourth proportional to 3,895.63, 5,839.80 and 1,429.79 is: 2,143.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.63 : 5,839.80 = 1,429.79 : x
  2. Step 2: Convert to fraction form
    3,895.63/5,839.80 = 1,429.79/x
  3. Step 3: Cross multiply
    3,895.63x = 5,839.80 × 1,429.79
  4. Step 4: Simplify right side
    3,895.63x = 8,349,653.08
  5. Step 5: Solve for x
    x = 8,349,653.08/3,895.63
  6. Step 6: Final answer
    x = 2,143.34

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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.