Home / 1,341.80-2,012.48-367.67

Finding the Fourth Proportional to 1,341.80, 2,012.48 and 367.67

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Solution

The fourth proportional to 1,341.80, 2,012.48 and 367.67 is: 551.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.80 : 2,012.48 = 367.67 : x
  2. Step 2: Convert to fraction form
    1,341.80/2,012.48 = 367.67/x
  3. Step 3: Cross multiply
    1,341.80x = 2,012.48 × 367.67
  4. Step 4: Simplify right side
    1,341.80x = 739,926.68
  5. Step 5: Solve for x
    x = 739,926.68/1,341.80
  6. Step 6: Final answer
    x = 551.44

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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.