Home / 2,173.51-3,264.11-1,999.81

Finding the Fourth Proportional to 2,173.51, 3,264.11 and 1,999.81

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Solution

The fourth proportional to 2,173.51, 3,264.11 and 1,999.81 is: 3,003.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.51 : 3,264.11 = 1,999.81 : x
  2. Step 2: Convert to fraction form
    2,173.51/3,264.11 = 1,999.81/x
  3. Step 3: Cross multiply
    2,173.51x = 3,264.11 × 1,999.81
  4. Step 4: Simplify right side
    2,173.51x = 6,527,596.66
  5. Step 5: Solve for x
    x = 6,527,596.66/2,173.51
  6. Step 6: Final answer
    x = 3,003.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.