Home / 2,850.14-4,276.84-1,876.70

Finding the Fourth Proportional to 2,850.14, 4,276.84 and 1,876.70

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Solution

The fourth proportional to 2,850.14, 4,276.84 and 1,876.70 is: 2,816.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.14 : 4,276.84 = 1,876.70 : x
  2. Step 2: Convert to fraction form
    2,850.14/4,276.84 = 1,876.70/x
  3. Step 3: Cross multiply
    2,850.14x = 4,276.84 × 1,876.70
  4. Step 4: Simplify right side
    2,850.14x = 8,026,345.63
  5. Step 5: Solve for x
    x = 8,026,345.63/2,850.14
  6. Step 6: Final answer
    x = 2,816.12

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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.