Home / 3,221.34-4,446.81-2,174.82

Finding the Fourth Proportional to 3,221.34, 4,446.81 and 2,174.82

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Solution

The fourth proportional to 3,221.34, 4,446.81 and 2,174.82 is: 3,002.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.34 : 4,446.81 = 2,174.82 : x
  2. Step 2: Convert to fraction form
    3,221.34/4,446.81 = 2,174.82/x
  3. Step 3: Cross multiply
    3,221.34x = 4,446.81 × 2,174.82
  4. Step 4: Simplify right side
    3,221.34x = 9,671,011.32
  5. Step 5: Solve for x
    x = 9,671,011.32/3,221.34
  6. Step 6: Final answer
    x = 3,002.17

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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.