Home / 3,863.54-5,332.35-2,185.47

Finding the Fourth Proportional to 3,863.54, 5,332.35 and 2,185.47

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Solution

The fourth proportional to 3,863.54, 5,332.35 and 2,185.47 is: 3,016.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.54 : 5,332.35 = 2,185.47 : x
  2. Step 2: Convert to fraction form
    3,863.54/5,332.35 = 2,185.47/x
  3. Step 3: Cross multiply
    3,863.54x = 5,332.35 × 2,185.47
  4. Step 4: Simplify right side
    3,863.54x = 11,653,658.83
  5. Step 5: Solve for x
    x = 11,653,658.83/3,863.54
  6. Step 6: Final answer
    x = 3,016.32

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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.