Home / 1,175.26-1,622.11-803.13

Finding the Fourth Proportional to 1,175.26, 1,622.11 and 803.13

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Solution

The fourth proportional to 1,175.26, 1,622.11 and 803.13 is: 1,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175.26 : 1,622.11 = 803.13 : x
  2. Step 2: Convert to fraction form
    1,175.26/1,622.11 = 803.13/x
  3. Step 3: Cross multiply
    1,175.26x = 1,622.11 × 803.13
  4. Step 4: Simplify right side
    1,175.26x = 1,302,765.20
  5. Step 5: Solve for x
    x = 1,302,765.20/1,175.26
  6. Step 6: Final answer
    x = 1,108.49

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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.