Home / 3,383.46-4,670.00-2,189.76

Finding the Fourth Proportional to 3,383.46, 4,670.00 and 2,189.76

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Solution

The fourth proportional to 3,383.46, 4,670.00 and 2,189.76 is: 3,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.46 : 4,670.00 = 2,189.76 : x
  2. Step 2: Convert to fraction form
    3,383.46/4,670.00 = 2,189.76/x
  3. Step 3: Cross multiply
    3,383.46x = 4,670.00 × 2,189.76
  4. Step 4: Simplify right side
    3,383.46x = 10,226,168.25
  5. Step 5: Solve for x
    x = 10,226,168.25/3,383.46
  6. Step 6: Final answer
    x = 3,022.40

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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.