Home / 1,341.08-2,011.38-949.82

Finding the Fourth Proportional to 1,341.08, 2,011.38 and 949.82

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Solution

The fourth proportional to 1,341.08, 2,011.38 and 949.82 is: 1,424.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.08 : 2,011.38 = 949.82 : x
  2. Step 2: Convert to fraction form
    1,341.08/2,011.38 = 949.82/x
  3. Step 3: Cross multiply
    1,341.08x = 2,011.38 × 949.82
  4. Step 4: Simplify right side
    1,341.08x = 1,910,448.95
  5. Step 5: Solve for x
    x = 1,910,448.95/1,341.08
  6. Step 6: Final answer
    x = 1,424.56

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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.