Home / 3,326.64-4,988.73-1,105.08

Finding the Fourth Proportional to 3,326.64, 4,988.73 and 1,105.08

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Solution

The fourth proportional to 3,326.64, 4,988.73 and 1,105.08 is: 1,657.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.64 : 4,988.73 = 1,105.08 : x
  2. Step 2: Convert to fraction form
    3,326.64/4,988.73 = 1,105.08/x
  3. Step 3: Cross multiply
    3,326.64x = 4,988.73 × 1,105.08
  4. Step 4: Simplify right side
    3,326.64x = 5,512,945.75
  5. Step 5: Solve for x
    x = 5,512,945.75/3,326.64
  6. Step 6: Final answer
    x = 1,657.21

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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.