Home / 1,252.10-1,726.43-1,003.22

Finding the Fourth Proportional to 1,252.10, 1,726.43 and 1,003.22

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Solution

The fourth proportional to 1,252.10, 1,726.43 and 1,003.22 is: 1,383.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252.10 : 1,726.43 = 1,003.22 : x
  2. Step 2: Convert to fraction form
    1,252.10/1,726.43 = 1,003.22/x
  3. Step 3: Cross multiply
    1,252.10x = 1,726.43 × 1,003.22
  4. Step 4: Simplify right side
    1,252.10x = 1,731,984.09
  5. Step 5: Solve for x
    x = 1,731,984.09/1,252.10
  6. Step 6: Final answer
    x = 1,383.26

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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.