Home / 3,848.43-5,310.84-2,080.03

Finding the Fourth Proportional to 3,848.43, 5,310.84 and 2,080.03

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Solution

The fourth proportional to 3,848.43, 5,310.84 and 2,080.03 is: 2,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.43 : 5,310.84 = 2,080.03 : x
  2. Step 2: Convert to fraction form
    3,848.43/5,310.84 = 2,080.03/x
  3. Step 3: Cross multiply
    3,848.43x = 5,310.84 × 2,080.03
  4. Step 4: Simplify right side
    3,848.43x = 11,046,725.14
  5. Step 5: Solve for x
    x = 11,046,725.14/3,848.43
  6. Step 6: Final answer
    x = 2,870.45

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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.