Home / 3,864.04-5,332.30-2,185.38

Finding the Fourth Proportional to 3,864.04, 5,332.30 and 2,185.38

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Solution

The fourth proportional to 3,864.04, 5,332.30 and 2,185.38 is: 3,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.04 : 5,332.30 = 2,185.38 : x
  2. Step 2: Convert to fraction form
    3,864.04/5,332.30 = 2,185.38/x
  3. Step 3: Cross multiply
    3,864.04x = 5,332.30 × 2,185.38
  4. Step 4: Simplify right side
    3,864.04x = 11,653,101.77
  5. Step 5: Solve for x
    x = 11,653,101.77/3,864.04
  6. Step 6: Final answer
    x = 3,015.78

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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.