Home / 1,767.13-2,649.48-1,027.20

Finding the Fourth Proportional to 1,767.13, 2,649.48 and 1,027.20

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Solution

The fourth proportional to 1,767.13, 2,649.48 and 1,027.20 is: 1,540.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.13 : 2,649.48 = 1,027.20 : x
  2. Step 2: Convert to fraction form
    1,767.13/2,649.48 = 1,027.20/x
  3. Step 3: Cross multiply
    1,767.13x = 2,649.48 × 1,027.20
  4. Step 4: Simplify right side
    1,767.13x = 2,721,537.04
  5. Step 5: Solve for x
    x = 2,721,537.04/1,767.13
  6. Step 6: Final answer
    x = 1,540.09

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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.