Home / 3,848.84-5,311.40-2,080.44

Finding the Fourth Proportional to 3,848.84, 5,311.40 and 2,080.44

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Solution

The fourth proportional to 3,848.84, 5,311.40 and 2,080.44 is: 2,871.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.84 : 5,311.40 = 2,080.44 : x
  2. Step 2: Convert to fraction form
    3,848.84/5,311.40 = 2,080.44/x
  3. Step 3: Cross multiply
    3,848.84x = 5,311.40 × 2,080.44
  4. Step 4: Simplify right side
    3,848.84x = 11,050,049.02
  5. Step 5: Solve for x
    x = 11,050,049.02/3,848.84
  6. Step 6: Final answer
    x = 2,871.01

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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.