Home / 2,172.41-3,259.70-1,600.01

Finding the Fourth Proportional to 2,172.41, 3,259.70 and 1,600.01

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Solution

The fourth proportional to 2,172.41, 3,259.70 and 1,600.01 is: 2,400.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172.41 : 3,259.70 = 1,600.01 : x
  2. Step 2: Convert to fraction form
    2,172.41/3,259.70 = 1,600.01/x
  3. Step 3: Cross multiply
    2,172.41x = 3,259.70 × 1,600.01
  4. Step 4: Simplify right side
    2,172.41x = 5,215,552.60
  5. Step 5: Solve for x
    x = 5,215,552.60/2,172.41
  6. Step 6: Final answer
    x = 2,400.81

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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.