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Finding the Fourth Proportional to 2,855.94, 4,283.94 and 1,295.63

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Solution

The fourth proportional to 2,855.94, 4,283.94 and 1,295.63 is: 1,943.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855.94 : 4,283.94 = 1,295.63 : x
  2. Step 2: Convert to fraction form
    2,855.94/4,283.94 = 1,295.63/x
  3. Step 3: Cross multiply
    2,855.94x = 4,283.94 × 1,295.63
  4. Step 4: Simplify right side
    2,855.94x = 5,550,379.76
  5. Step 5: Solve for x
    x = 5,550,379.76/2,855.94
  6. Step 6: Final answer
    x = 1,943.45

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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.