Home / 4,170.58-6,258.40-2,419

Finding the Fourth Proportional to 4,170.58, 6,258.40 and 2,419

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Solution

The fourth proportional to 4,170.58, 6,258.40 and 2,419 is: 3,629.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.58 : 6,258.40 = 2,419 : x
  2. Step 2: Convert to fraction form
    4,170.58/6,258.40 = 2,419/x
  3. Step 3: Cross multiply
    4,170.58x = 6,258.40 × 2,419
  4. Step 4: Simplify right side
    4,170.58x = 15,139,069.60
  5. Step 5: Solve for x
    x = 15,139,069.60/4,170.58
  6. Step 6: Final answer
    x = 3,629.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.