Home / 2,838.76-4,258.68-1,107.25

Finding the Fourth Proportional to 2,838.76, 4,258.68 and 1,107.25

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Solution

The fourth proportional to 2,838.76, 4,258.68 and 1,107.25 is: 1,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.76 : 4,258.68 = 1,107.25 : x
  2. Step 2: Convert to fraction form
    2,838.76/4,258.68 = 1,107.25/x
  3. Step 3: Cross multiply
    2,838.76x = 4,258.68 × 1,107.25
  4. Step 4: Simplify right side
    2,838.76x = 4,715,423.43
  5. Step 5: Solve for x
    x = 4,715,423.43/2,838.76
  6. Step 6: Final answer
    x = 1,661.09

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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.