Home / 3,083.80-4,256.98-1,966.36

Finding the Fourth Proportional to 3,083.80, 4,256.98 and 1,966.36

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Solution

The fourth proportional to 3,083.80, 4,256.98 and 1,966.36 is: 2,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.80 : 4,256.98 = 1,966.36 : x
  2. Step 2: Convert to fraction form
    3,083.80/4,256.98 = 1,966.36/x
  3. Step 3: Cross multiply
    3,083.80x = 4,256.98 × 1,966.36
  4. Step 4: Simplify right side
    3,083.80x = 8,370,755.19
  5. Step 5: Solve for x
    x = 8,370,755.19/3,083.80
  6. Step 6: Final answer
    x = 2,714.43

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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.