Home / 3,810.52-5,258.55-2,132.02

Finding the Fourth Proportional to 3,810.52, 5,258.55 and 2,132.02

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Solution

The fourth proportional to 3,810.52, 5,258.55 and 2,132.02 is: 2,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.52 : 5,258.55 = 2,132.02 : x
  2. Step 2: Convert to fraction form
    3,810.52/5,258.55 = 2,132.02/x
  3. Step 3: Cross multiply
    3,810.52x = 5,258.55 × 2,132.02
  4. Step 4: Simplify right side
    3,810.52x = 11,211,333.77
  5. Step 5: Solve for x
    x = 11,211,333.77/3,810.52
  6. Step 6: Final answer
    x = 2,942.21

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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.