Home / 1,376.10-2,057.67-1,028.34

Finding the Fourth Proportional to 1,376.10, 2,057.67 and 1,028.34

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Solution

The fourth proportional to 1,376.10, 2,057.67 and 1,028.34 is: 1,537.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376.10 : 2,057.67 = 1,028.34 : x
  2. Step 2: Convert to fraction form
    1,376.10/2,057.67 = 1,028.34/x
  3. Step 3: Cross multiply
    1,376.10x = 2,057.67 × 1,028.34
  4. Step 4: Simplify right side
    1,376.10x = 2,115,984.37
  5. Step 5: Solve for x
    x = 2,115,984.37/1,376.10
  6. Step 6: Final answer
    x = 1,537.67

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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.