Home / 3,674.12-5,070.48-2,101.88

Finding the Fourth Proportional to 3,674.12, 5,070.48 and 2,101.88

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Solution

The fourth proportional to 3,674.12, 5,070.48 and 2,101.88 is: 2,900.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.12 : 5,070.48 = 2,101.88 : x
  2. Step 2: Convert to fraction form
    3,674.12/5,070.48 = 2,101.88/x
  3. Step 3: Cross multiply
    3,674.12x = 5,070.48 × 2,101.88
  4. Step 4: Simplify right side
    3,674.12x = 10,657,540.50
  5. Step 5: Solve for x
    x = 10,657,540.50/3,674.12
  6. Step 6: Final answer
    x = 2,900.71

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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.