Home / 1,350.35-2,024.30-939.68

Finding the Fourth Proportional to 1,350.35, 2,024.30 and 939.68

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Solution

The fourth proportional to 1,350.35, 2,024.30 and 939.68 is: 1,408.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.35 : 2,024.30 = 939.68 : x
  2. Step 2: Convert to fraction form
    1,350.35/2,024.30 = 939.68/x
  3. Step 3: Cross multiply
    1,350.35x = 2,024.30 × 939.68
  4. Step 4: Simplify right side
    1,350.35x = 1,902,186.45
  5. Step 5: Solve for x
    x = 1,902,186.45/1,350.35
  6. Step 6: Final answer
    x = 1,408.67

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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.