Home / 3,624.82-5,011.40-2,679.12

Finding the Fourth Proportional to 3,624.82, 5,011.40 and 2,679.12

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Solution

The fourth proportional to 3,624.82, 5,011.40 and 2,679.12 is: 3,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.82 : 5,011.40 = 2,679.12 : x
  2. Step 2: Convert to fraction form
    3,624.82/5,011.40 = 2,679.12/x
  3. Step 3: Cross multiply
    3,624.82x = 5,011.40 × 2,679.12
  4. Step 4: Simplify right side
    3,624.82x = 13,426,141.97
  5. Step 5: Solve for x
    x = 13,426,141.97/3,624.82
  6. Step 6: Final answer
    x = 3,703.95

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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.