Home / 3,864.03-5,332.35-2,185.50

Finding the Fourth Proportional to 3,864.03, 5,332.35 and 2,185.50

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Solution

The fourth proportional to 3,864.03, 5,332.35 and 2,185.50 is: 3,015.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.03 : 5,332.35 = 2,185.50 : x
  2. Step 2: Convert to fraction form
    3,864.03/5,332.35 = 2,185.50/x
  3. Step 3: Cross multiply
    3,864.03x = 5,332.35 × 2,185.50
  4. Step 4: Simplify right side
    3,864.03x = 11,653,850.93
  5. Step 5: Solve for x
    x = 11,653,850.93/3,864.03
  6. Step 6: Final answer
    x = 3,015.98

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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.