Home / 3,278.82-4,881.15-3,259.36

Finding the Fourth Proportional to 3,278.82, 4,881.15 and 3,259.36

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Solution

The fourth proportional to 3,278.82, 4,881.15 and 3,259.36 is: 4,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.82 : 4,881.15 = 3,259.36 : x
  2. Step 2: Convert to fraction form
    3,278.82/4,881.15 = 3,259.36/x
  3. Step 3: Cross multiply
    3,278.82x = 4,881.15 × 3,259.36
  4. Step 4: Simplify right side
    3,278.82x = 15,909,425.06
  5. Step 5: Solve for x
    x = 15,909,425.06/3,278.82
  6. Step 6: Final answer
    x = 4,852.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.