Home / 1,719.40-2,371.14-1,250.38

Finding the Fourth Proportional to 1,719.40, 2,371.14 and 1,250.38

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Solution

The fourth proportional to 1,719.40, 2,371.14 and 1,250.38 is: 1,724.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.40 : 2,371.14 = 1,250.38 : x
  2. Step 2: Convert to fraction form
    1,719.40/2,371.14 = 1,250.38/x
  3. Step 3: Cross multiply
    1,719.40x = 2,371.14 × 1,250.38
  4. Step 4: Simplify right side
    1,719.40x = 2,964,826.03
  5. Step 5: Solve for x
    x = 2,964,826.03/1,719.40
  6. Step 6: Final answer
    x = 1,724.34

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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.