Home / 1,341.30-2,011.71-367.18

Finding the Fourth Proportional to 1,341.30, 2,011.71 and 367.18

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Solution

The fourth proportional to 1,341.30, 2,011.71 and 367.18 is: 550.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.30 : 2,011.71 = 367.18 : x
  2. Step 2: Convert to fraction form
    1,341.30/2,011.71 = 367.18/x
  3. Step 3: Cross multiply
    1,341.30x = 2,011.71 × 367.18
  4. Step 4: Simplify right side
    1,341.30x = 738,656.03
  5. Step 5: Solve for x
    x = 738,656.03/1,341.30
  6. Step 6: Final answer
    x = 550.70

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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.