Home / 3,473.21-5,199.21-2,808.90

Finding the Fourth Proportional to 3,473.21, 5,199.21 and 2,808.90

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Solution

The fourth proportional to 3,473.21, 5,199.21 and 2,808.90 is: 4,204.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.21 : 5,199.21 = 2,808.90 : x
  2. Step 2: Convert to fraction form
    3,473.21/5,199.21 = 2,808.90/x
  3. Step 3: Cross multiply
    3,473.21x = 5,199.21 × 2,808.90
  4. Step 4: Simplify right side
    3,473.21x = 14,604,060.97
  5. Step 5: Solve for x
    x = 14,604,060.97/3,473.21
  6. Step 6: Final answer
    x = 4,204.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.