Home / 1,719.88-2,576.68-1,103.67

Finding the Fourth Proportional to 1,719.88, 2,576.68 and 1,103.67

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Solution

The fourth proportional to 1,719.88, 2,576.68 and 1,103.67 is: 1,653.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.88 : 2,576.68 = 1,103.67 : x
  2. Step 2: Convert to fraction form
    1,719.88/2,576.68 = 1,103.67/x
  3. Step 3: Cross multiply
    1,719.88x = 2,576.68 × 1,103.67
  4. Step 4: Simplify right side
    1,719.88x = 2,843,801.66
  5. Step 5: Solve for x
    x = 2,843,801.66/1,719.88
  6. Step 6: Final answer
    x = 1,653.49

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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.