Home / 3,631.82-5,011.82-2,119.66

Finding the Fourth Proportional to 3,631.82, 5,011.82 and 2,119.66

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Solution

The fourth proportional to 3,631.82, 5,011.82 and 2,119.66 is: 2,925.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.82 : 5,011.82 = 2,119.66 : x
  2. Step 2: Convert to fraction form
    3,631.82/5,011.82 = 2,119.66/x
  3. Step 3: Cross multiply
    3,631.82x = 5,011.82 × 2,119.66
  4. Step 4: Simplify right side
    3,631.82x = 10,623,354.38
  5. Step 5: Solve for x
    x = 10,623,354.38/3,631.82
  6. Step 6: Final answer
    x = 2,925.08

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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.