Home / 1,101.08-1,519.26-635.06

Finding the Fourth Proportional to 1,101.08, 1,519.26 and 635.06

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Solution

The fourth proportional to 1,101.08, 1,519.26 and 635.06 is: 876.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101.08 : 1,519.26 = 635.06 : x
  2. Step 2: Convert to fraction form
    1,101.08/1,519.26 = 635.06/x
  3. Step 3: Cross multiply
    1,101.08x = 1,519.26 × 635.06
  4. Step 4: Simplify right side
    1,101.08x = 964,822.67
  5. Step 5: Solve for x
    x = 964,822.67/1,101.08
  6. Step 6: Final answer
    x = 876.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.