Home / 3,282.49-4,920.29-1,090.63

Finding the Fourth Proportional to 3,282.49, 4,920.29 and 1,090.63

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Solution

The fourth proportional to 3,282.49, 4,920.29 and 1,090.63 is: 1,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.49 : 4,920.29 = 1,090.63 : x
  2. Step 2: Convert to fraction form
    3,282.49/4,920.29 = 1,090.63/x
  3. Step 3: Cross multiply
    3,282.49x = 4,920.29 × 1,090.63
  4. Step 4: Simplify right side
    3,282.49x = 5,366,215.88
  5. Step 5: Solve for x
    x = 5,366,215.88/3,282.49
  6. Step 6: Final answer
    x = 1,634.80

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1.5x scale

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.