Home / 3,623-4,999.88-2,225.48

Finding the Fourth Proportional to 3,623, 4,999.88 and 2,225.48

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Solution

The fourth proportional to 3,623, 4,999.88 and 2,225.48 is: 3,071.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623 : 4,999.88 = 2,225.48 : x
  2. Step 2: Convert to fraction form
    3,623/4,999.88 = 2,225.48/x
  3. Step 3: Cross multiply
    3,623x = 4,999.88 × 2,225.48
  4. Step 4: Simplify right side
    3,623x = 11,127,132.94
  5. Step 5: Solve for x
    x = 11,127,132.94/3,623
  6. Step 6: Final answer
    x = 3,071.25

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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.