Home / 3,870.91-5,809.33-2,833.61

Finding the Fourth Proportional to 3,870.91, 5,809.33 and 2,833.61

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Solution

The fourth proportional to 3,870.91, 5,809.33 and 2,833.61 is: 4,252.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870.91 : 5,809.33 = 2,833.61 : x
  2. Step 2: Convert to fraction form
    3,870.91/5,809.33 = 2,833.61/x
  3. Step 3: Cross multiply
    3,870.91x = 5,809.33 × 2,833.61
  4. Step 4: Simplify right side
    3,870.91x = 16,461,370.40
  5. Step 5: Solve for x
    x = 16,461,370.40/3,870.91
  6. Step 6: Final answer
    x = 4,252.58

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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.