Home / 3,810.60-5,258.56-2,132

Finding the Fourth Proportional to 3,810.60, 5,258.56 and 2,132

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Solution

The fourth proportional to 3,810.60, 5,258.56 and 2,132 is: 2,942.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.60 : 5,258.56 = 2,132 : x
  2. Step 2: Convert to fraction form
    3,810.60/5,258.56 = 2,132/x
  3. Step 3: Cross multiply
    3,810.60x = 5,258.56 × 2,132
  4. Step 4: Simplify right side
    3,810.60x = 11,211,249.92
  5. Step 5: Solve for x
    x = 11,211,249.92/3,810.60
  6. Step 6: Final answer
    x = 2,942.12

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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.