Home / 3,087.09-4,258.48-1,966.05

Finding the Fourth Proportional to 3,087.09, 4,258.48 and 1,966.05

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Solution

The fourth proportional to 3,087.09, 4,258.48 and 1,966.05 is: 2,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.09 : 4,258.48 = 1,966.05 : x
  2. Step 2: Convert to fraction form
    3,087.09/4,258.48 = 1,966.05/x
  3. Step 3: Cross multiply
    3,087.09x = 4,258.48 × 1,966.05
  4. Step 4: Simplify right side
    3,087.09x = 8,372,384.60
  5. Step 5: Solve for x
    x = 8,372,384.60/3,087.09
  6. Step 6: Final answer
    x = 2,712.06

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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.