Home / 3,952.95-5,455.13-2,184.56

Finding the Fourth Proportional to 3,952.95, 5,455.13 and 2,184.56

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Solution

The fourth proportional to 3,952.95, 5,455.13 and 2,184.56 is: 3,014.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.95 : 5,455.13 = 2,184.56 : x
  2. Step 2: Convert to fraction form
    3,952.95/5,455.13 = 2,184.56/x
  3. Step 3: Cross multiply
    3,952.95x = 5,455.13 × 2,184.56
  4. Step 4: Simplify right side
    3,952.95x = 11,917,058.79
  5. Step 5: Solve for x
    x = 11,917,058.79/3,952.95
  6. Step 6: Final answer
    x = 3,014.73

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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.