Home / 3,101.88-4,677.18-2,843.58

Finding the Fourth Proportional to 3,101.88, 4,677.18 and 2,843.58

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Solution

The fourth proportional to 3,101.88, 4,677.18 and 2,843.58 is: 4,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.88 : 4,677.18 = 2,843.58 : x
  2. Step 2: Convert to fraction form
    3,101.88/4,677.18 = 2,843.58/x
  3. Step 3: Cross multiply
    3,101.88x = 4,677.18 × 2,843.58
  4. Step 4: Simplify right side
    3,101.88x = 13,299,935.50
  5. Step 5: Solve for x
    x = 13,299,935.50/3,101.88
  6. Step 6: Final answer
    x = 4,287.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.