Home / 3,864.58-5,332.70-2,185.92

Finding the Fourth Proportional to 3,864.58, 5,332.70 and 2,185.92

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Solution

The fourth proportional to 3,864.58, 5,332.70 and 2,185.92 is: 3,016.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.58 : 5,332.70 = 2,185.92 : x
  2. Step 2: Convert to fraction form
    3,864.58/5,332.70 = 2,185.92/x
  3. Step 3: Cross multiply
    3,864.58x = 5,332.70 × 2,185.92
  4. Step 4: Simplify right side
    3,864.58x = 11,656,861.05
  5. Step 5: Solve for x
    x = 11,656,861.05/3,864.58
  6. Step 6: Final answer
    x = 3,016.34

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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.