Home / 1,719.54-2,372.98-1,020.96

Finding the Fourth Proportional to 1,719.54, 2,372.98 and 1,020.96

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Solution

The fourth proportional to 1,719.54, 2,372.98 and 1,020.96 is: 1,408.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.54 : 2,372.98 = 1,020.96 : x
  2. Step 2: Convert to fraction form
    1,719.54/2,372.98 = 1,020.96/x
  3. Step 3: Cross multiply
    1,719.54x = 2,372.98 × 1,020.96
  4. Step 4: Simplify right side
    1,719.54x = 2,422,717.66
  5. Step 5: Solve for x
    x = 2,422,717.66/1,719.54
  6. Step 6: Final answer
    x = 1,408.93

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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.