Home / 1,719.72-2,583.60-1,626.48

Finding the Fourth Proportional to 1,719.72, 2,583.60 and 1,626.48

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Solution

The fourth proportional to 1,719.72, 2,583.60 and 1,626.48 is: 2,443.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.72 : 2,583.60 = 1,626.48 : x
  2. Step 2: Convert to fraction form
    1,719.72/2,583.60 = 1,626.48/x
  3. Step 3: Cross multiply
    1,719.72x = 2,583.60 × 1,626.48
  4. Step 4: Simplify right side
    1,719.72x = 4,202,173.73
  5. Step 5: Solve for x
    x = 4,202,173.73/1,719.72
  6. Step 6: Final answer
    x = 2,443.52

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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.