Home / 3,326.56-4,988.82-1,105.00

Finding the Fourth Proportional to 3,326.56, 4,988.82 and 1,105.00

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Solution

The fourth proportional to 3,326.56, 4,988.82 and 1,105.00 is: 1,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.56 : 4,988.82 = 1,105.00 : x
  2. Step 2: Convert to fraction form
    3,326.56/4,988.82 = 1,105.00/x
  3. Step 3: Cross multiply
    3,326.56x = 4,988.82 × 1,105.00
  4. Step 4: Simplify right side
    3,326.56x = 5,512,637.77
  5. Step 5: Solve for x
    x = 5,512,637.77/3,326.56
  6. Step 6: Final answer
    x = 1,657.16

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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.