Home / 1,719.18-2,581.59-1,631.54

Finding the Fourth Proportional to 1,719.18, 2,581.59 and 1,631.54

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Solution

The fourth proportional to 1,719.18, 2,581.59 and 1,631.54 is: 2,449.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.18 : 2,581.59 = 1,631.54 : x
  2. Step 2: Convert to fraction form
    1,719.18/2,581.59 = 1,631.54/x
  3. Step 3: Cross multiply
    1,719.18x = 2,581.59 × 1,631.54
  4. Step 4: Simplify right side
    1,719.18x = 4,211,954.44
  5. Step 5: Solve for x
    x = 4,211,954.44/1,719.18
  6. Step 6: Final answer
    x = 2,449.98

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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.