Home / 2,841.75-4,258.61-2,138.50

Finding the Fourth Proportional to 2,841.75, 4,258.61 and 2,138.50

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Solution

The fourth proportional to 2,841.75, 4,258.61 and 2,138.50 is: 3,204.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.75 : 4,258.61 = 2,138.50 : x
  2. Step 2: Convert to fraction form
    2,841.75/4,258.61 = 2,138.50/x
  3. Step 3: Cross multiply
    2,841.75x = 4,258.61 × 2,138.50
  4. Step 4: Simplify right side
    2,841.75x = 9,107,022.19
  5. Step 5: Solve for x
    x = 9,107,022.19/2,841.75
  6. Step 6: Final answer
    x = 3,204.72

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1.5x scale

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.