Home / 1,266.24-1,899.35-341.73

Finding the Fourth Proportional to 1,266.24, 1,899.35 and 341.73

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Solution

The fourth proportional to 1,266.24, 1,899.35 and 341.73 is: 512.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266.24 : 1,899.35 = 341.73 : x
  2. Step 2: Convert to fraction form
    1,266.24/1,899.35 = 341.73/x
  3. Step 3: Cross multiply
    1,266.24x = 1,899.35 × 341.73
  4. Step 4: Simplify right side
    1,266.24x = 649,064.88
  5. Step 5: Solve for x
    x = 649,064.88/1,266.24
  6. Step 6: Final answer
    x = 512.59

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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.