Home / 3,864.23-5,332.91-2,185.63

Finding the Fourth Proportional to 3,864.23, 5,332.91 and 2,185.63

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Solution

The fourth proportional to 3,864.23, 5,332.91 and 2,185.63 is: 3,016.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.23 : 5,332.91 = 2,185.63 : x
  2. Step 2: Convert to fraction form
    3,864.23/5,332.91 = 2,185.63/x
  3. Step 3: Cross multiply
    3,864.23x = 5,332.91 × 2,185.63
  4. Step 4: Simplify right side
    3,864.23x = 11,655,773.82
  5. Step 5: Solve for x
    x = 11,655,773.82/3,864.23
  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.