Home / 1,815.84-2,719.44-1,450.08

Finding the Fourth Proportional to 1,815.84, 2,719.44 and 1,450.08

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Solution

The fourth proportional to 1,815.84, 2,719.44 and 1,450.08 is: 2,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815.84 : 2,719.44 = 1,450.08 : x
  2. Step 2: Convert to fraction form
    1,815.84/2,719.44 = 1,450.08/x
  3. Step 3: Cross multiply
    1,815.84x = 2,719.44 × 1,450.08
  4. Step 4: Simplify right side
    1,815.84x = 3,943,405.56
  5. Step 5: Solve for x
    x = 3,943,405.56/1,815.84
  6. Step 6: Final answer
    x = 2,171.67

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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.