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Finding the Fourth Proportional to 2,850.61, 4,277.27 and 1,974.46

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Solution

The fourth proportional to 2,850.61, 4,277.27 and 1,974.46 is: 2,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.61 : 4,277.27 = 1,974.46 : x
  2. Step 2: Convert to fraction form
    2,850.61/4,277.27 = 1,974.46/x
  3. Step 3: Cross multiply
    2,850.61x = 4,277.27 × 1,974.46
  4. Step 4: Simplify right side
    2,850.61x = 8,445,288.65
  5. Step 5: Solve for x
    x = 8,445,288.65/2,850.61
  6. Step 6: Final answer
    x = 2,962.63

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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.