Home / 1,384.38-2,074.14-1,350.36

Finding the Fourth Proportional to 1,384.38, 2,074.14 and 1,350.36

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Solution

The fourth proportional to 1,384.38, 2,074.14 and 1,350.36 is: 2,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384.38 : 2,074.14 = 1,350.36 : x
  2. Step 2: Convert to fraction form
    1,384.38/2,074.14 = 1,350.36/x
  3. Step 3: Cross multiply
    1,384.38x = 2,074.14 × 1,350.36
  4. Step 4: Simplify right side
    1,384.38x = 2,800,835.69
  5. Step 5: Solve for x
    x = 2,800,835.69/1,384.38
  6. Step 6: Final answer
    x = 2,023.17

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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.