Home / 1,625.36-2,242.92-1,003.28

Finding the Fourth Proportional to 1,625.36, 2,242.92 and 1,003.28

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Solution

The fourth proportional to 1,625.36, 2,242.92 and 1,003.28 is: 1,384.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.36 : 2,242.92 = 1,003.28 : x
  2. Step 2: Convert to fraction form
    1,625.36/2,242.92 = 1,003.28/x
  3. Step 3: Cross multiply
    1,625.36x = 2,242.92 × 1,003.28
  4. Step 4: Simplify right side
    1,625.36x = 2,250,276.78
  5. Step 5: Solve for x
    x = 2,250,276.78/1,625.36
  6. Step 6: Final answer
    x = 1,384.48

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