Home / 1,623-2,240.82-1,003.08

Finding the Fourth Proportional to 1,623, 2,240.82 and 1,003.08

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Solution

The fourth proportional to 1,623, 2,240.82 and 1,003.08 is: 1,384.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623 : 2,240.82 = 1,003.08 : x
  2. Step 2: Convert to fraction form
    1,623/2,240.82 = 1,003.08/x
  3. Step 3: Cross multiply
    1,623x = 2,240.82 × 1,003.08
  4. Step 4: Simplify right side
    1,623x = 2,247,721.73
  5. Step 5: Solve for x
    x = 2,247,721.73/1,623
  6. Step 6: Final answer
    x = 1,384.92

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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.