Home / 2,072.31-2,853.99-1,719.75

Finding the Fourth Proportional to 2,072.31, 2,853.99 and 1,719.75

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Solution

The fourth proportional to 2,072.31, 2,853.99 and 1,719.75 is: 2,368.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.31 : 2,853.99 = 1,719.75 : x
  2. Step 2: Convert to fraction form
    2,072.31/2,853.99 = 1,719.75/x
  3. Step 3: Cross multiply
    2,072.31x = 2,853.99 × 1,719.75
  4. Step 4: Simplify right side
    2,072.31x = 4,908,149.30
  5. Step 5: Solve for x
    x = 4,908,149.30/2,072.31
  6. Step 6: Final answer
    x = 2,368.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.