Home / 3,810.84-5,257.80-2,132.07

Finding the Fourth Proportional to 3,810.84, 5,257.80 and 2,132.07

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Solution

The fourth proportional to 3,810.84, 5,257.80 and 2,132.07 is: 2,941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.84 : 5,257.80 = 2,132.07 : x
  2. Step 2: Convert to fraction form
    3,810.84/5,257.80 = 2,132.07/x
  3. Step 3: Cross multiply
    3,810.84x = 5,257.80 × 2,132.07
  4. Step 4: Simplify right side
    3,810.84x = 11,209,997.65
  5. Step 5: Solve for x
    x = 11,209,997.65/3,810.84
  6. Step 6: Final answer
    x = 2,941.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.