Home / 1,936.80-2,907.18-1,718.82

Finding the Fourth Proportional to 1,936.80, 2,907.18 and 1,718.82

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Solution

The fourth proportional to 1,936.80, 2,907.18 and 1,718.82 is: 2,579.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.80 : 2,907.18 = 1,718.82 : x
  2. Step 2: Convert to fraction form
    1,936.80/2,907.18 = 1,718.82/x
  3. Step 3: Cross multiply
    1,936.80x = 2,907.18 × 1,718.82
  4. Step 4: Simplify right side
    1,936.80x = 4,996,919.13
  5. Step 5: Solve for x
    x = 4,996,919.13/1,936.80
  6. Step 6: Final answer
    x = 2,579.99

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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.