Home / 3,221.02-4,447.11-2,473.57

Finding the Fourth Proportional to 3,221.02, 4,447.11 and 2,473.57

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Solution

The fourth proportional to 3,221.02, 4,447.11 and 2,473.57 is: 3,415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.02 : 4,447.11 = 2,473.57 : x
  2. Step 2: Convert to fraction form
    3,221.02/4,447.11 = 2,473.57/x
  3. Step 3: Cross multiply
    3,221.02x = 4,447.11 × 2,473.57
  4. Step 4: Simplify right side
    3,221.02x = 11,000,237.88
  5. Step 5: Solve for x
    x = 11,000,237.88/3,221.02
  6. Step 6: Final answer
    x = 3,415.14

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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.