Home / 3,392.89-5,090.65-1,201.64

Finding the Fourth Proportional to 3,392.89, 5,090.65 and 1,201.64

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Solution

The fourth proportional to 3,392.89, 5,090.65 and 1,201.64 is: 1,802.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.89 : 5,090.65 = 1,201.64 : x
  2. Step 2: Convert to fraction form
    3,392.89/5,090.65 = 1,201.64/x
  3. Step 3: Cross multiply
    3,392.89x = 5,090.65 × 1,201.64
  4. Step 4: Simplify right side
    3,392.89x = 6,117,100.21
  5. Step 5: Solve for x
    x = 6,117,100.21/3,392.89
  6. Step 6: Final answer
    x = 1,802.92

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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.