Home / 2,802.22-4,200.60-2,561.68

Finding the Fourth Proportional to 2,802.22, 4,200.60 and 2,561.68

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Solution

The fourth proportional to 2,802.22, 4,200.60 and 2,561.68 is: 3,840.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.22 : 4,200.60 = 2,561.68 : x
  2. Step 2: Convert to fraction form
    2,802.22/4,200.60 = 2,561.68/x
  3. Step 3: Cross multiply
    2,802.22x = 4,200.60 × 2,561.68
  4. Step 4: Simplify right side
    2,802.22x = 10,760,593.01
  5. Step 5: Solve for x
    x = 10,760,593.01/2,802.22
  6. Step 6: Final answer
    x = 3,840.02

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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.