Home / 1,939.65-2,895.39-1,795.09

Finding the Fourth Proportional to 1,939.65, 2,895.39 and 1,795.09

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Solution

The fourth proportional to 1,939.65, 2,895.39 and 1,795.09 is: 2,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.65 : 2,895.39 = 1,795.09 : x
  2. Step 2: Convert to fraction form
    1,939.65/2,895.39 = 1,795.09/x
  3. Step 3: Cross multiply
    1,939.65x = 2,895.39 × 1,795.09
  4. Step 4: Simplify right side
    1,939.65x = 5,197,485.64
  5. Step 5: Solve for x
    x = 5,197,485.64/1,939.65
  6. Step 6: Final answer
    x = 2,679.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.