Home / 1,914.17-2,866.39-1,181.52

Finding the Fourth Proportional to 1,914.17, 2,866.39 and 1,181.52

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Solution

The fourth proportional to 1,914.17, 2,866.39 and 1,181.52 is: 1,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.17 : 2,866.39 = 1,181.52 : x
  2. Step 2: Convert to fraction form
    1,914.17/2,866.39 = 1,181.52/x
  3. Step 3: Cross multiply
    1,914.17x = 2,866.39 × 1,181.52
  4. Step 4: Simplify right side
    1,914.17x = 3,386,694.16
  5. Step 5: Solve for x
    x = 3,386,694.16/1,914.17
  6. Step 6: Final answer
    x = 1,769.28

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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.