Home / 3,810.63-5,258.61-2,132.07

Finding the Fourth Proportional to 3,810.63, 5,258.61 and 2,132.07

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Solution

The fourth proportional to 3,810.63, 5,258.61 and 2,132.07 is: 2,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.63 : 5,258.61 = 2,132.07 : x
  2. Step 2: Convert to fraction form
    3,810.63/5,258.61 = 2,132.07/x
  3. Step 3: Cross multiply
    3,810.63x = 5,258.61 × 2,132.07
  4. Step 4: Simplify right side
    3,810.63x = 11,211,724.62
  5. Step 5: Solve for x
    x = 11,211,724.62/3,810.63
  6. Step 6: Final answer
    x = 2,942.22

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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.