Home / 1,341.21-2,011.59-367.11

Finding the Fourth Proportional to 1,341.21, 2,011.59 and 367.11

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Solution

The fourth proportional to 1,341.21, 2,011.59 and 367.11 is: 550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.21 : 2,011.59 = 367.11 : x
  2. Step 2: Convert to fraction form
    1,341.21/2,011.59 = 367.11/x
  3. Step 3: Cross multiply
    1,341.21x = 2,011.59 × 367.11
  4. Step 4: Simplify right side
    1,341.21x = 738,474.80
  5. Step 5: Solve for x
    x = 738,474.80/1,341.21
  6. Step 6: Final answer
    x = 550.60

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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.