Home / 1,375.38-2,060.64-1,341.36

Finding the Fourth Proportional to 1,375.38, 2,060.64 and 1,341.36

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Solution

The fourth proportional to 1,375.38, 2,060.64 and 1,341.36 is: 2,009.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375.38 : 2,060.64 = 1,341.36 : x
  2. Step 2: Convert to fraction form
    1,375.38/2,060.64 = 1,341.36/x
  3. Step 3: Cross multiply
    1,375.38x = 2,060.64 × 1,341.36
  4. Step 4: Simplify right side
    1,375.38x = 2,764,060.07
  5. Step 5: Solve for x
    x = 2,764,060.07/1,375.38
  6. Step 6: Final answer
    x = 2,009.67

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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.