Home / 3,827.58-5,283.82-2,943.06

Finding the Fourth Proportional to 3,827.58, 5,283.82 and 2,943.06

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Solution

The fourth proportional to 3,827.58, 5,283.82 and 2,943.06 is: 4,062.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.58 : 5,283.82 = 2,943.06 : x
  2. Step 2: Convert to fraction form
    3,827.58/5,283.82 = 2,943.06/x
  3. Step 3: Cross multiply
    3,827.58x = 5,283.82 × 2,943.06
  4. Step 4: Simplify right side
    3,827.58x = 15,550,599.29
  5. Step 5: Solve for x
    x = 15,550,599.29/3,827.58
  6. Step 6: Final answer
    x = 4,062.78

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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.