Home / 1,343.27-2,014.69-369.15

Finding the Fourth Proportional to 1,343.27, 2,014.69 and 369.15

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Solution

The fourth proportional to 1,343.27, 2,014.69 and 369.15 is: 553.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.27 : 2,014.69 = 369.15 : x
  2. Step 2: Convert to fraction form
    1,343.27/2,014.69 = 369.15/x
  3. Step 3: Cross multiply
    1,343.27x = 2,014.69 × 369.15
  4. Step 4: Simplify right side
    1,343.27x = 743,722.81
  5. Step 5: Solve for x
    x = 743,722.81/1,343.27
  6. Step 6: Final answer
    x = 553.67

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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.