Home / 1,341.67-2,012.60-367.75

Finding the Fourth Proportional to 1,341.67, 2,012.60 and 367.75

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Solution

The fourth proportional to 1,341.67, 2,012.60 and 367.75 is: 551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.67 : 2,012.60 = 367.75 : x
  2. Step 2: Convert to fraction form
    1,341.67/2,012.60 = 367.75/x
  3. Step 3: Cross multiply
    1,341.67x = 2,012.60 × 367.75
  4. Step 4: Simplify right side
    1,341.67x = 740,133.65
  5. Step 5: Solve for x
    x = 740,133.65/1,341.67
  6. Step 6: Final answer
    x = 551.65

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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.