Home / 3,895.31-5,842.77-1,429.93

Finding the Fourth Proportional to 3,895.31, 5,842.77 and 1,429.93

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Solution

The fourth proportional to 3,895.31, 5,842.77 and 1,429.93 is: 2,144.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.31 : 5,842.77 = 1,429.93 : x
  2. Step 2: Convert to fraction form
    3,895.31/5,842.77 = 1,429.93/x
  3. Step 3: Cross multiply
    3,895.31x = 5,842.77 × 1,429.93
  4. Step 4: Simplify right side
    3,895.31x = 8,354,754.05
  5. Step 5: Solve for x
    x = 8,354,754.05/3,895.31
  6. Step 6: Final answer
    x = 2,144.82

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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.