Home / 3,254.88-4,488.38-2,784.34

Finding the Fourth Proportional to 3,254.88, 4,488.38 and 2,784.34

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Solution

The fourth proportional to 3,254.88, 4,488.38 and 2,784.34 is: 3,839.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.88 : 4,488.38 = 2,784.34 : x
  2. Step 2: Convert to fraction form
    3,254.88/4,488.38 = 2,784.34/x
  3. Step 3: Cross multiply
    3,254.88x = 4,488.38 × 2,784.34
  4. Step 4: Simplify right side
    3,254.88x = 12,497,175.97
  5. Step 5: Solve for x
    x = 12,497,175.97/3,254.88
  6. Step 6: Final answer
    x = 3,839.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.