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Finding the Fourth Proportional to 2,854.63, 4,278.50 and 1,295.03

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Solution

The fourth proportional to 2,854.63, 4,278.50 and 1,295.03 is: 1,940.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.63 : 4,278.50 = 1,295.03 : x
  2. Step 2: Convert to fraction form
    2,854.63/4,278.50 = 1,295.03/x
  3. Step 3: Cross multiply
    2,854.63x = 4,278.50 × 1,295.03
  4. Step 4: Simplify right side
    2,854.63x = 5,540,785.86
  5. Step 5: Solve for x
    x = 5,540,785.86/2,854.63
  6. Step 6: Final answer
    x = 1,940.98

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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.