Home / 3,952.72-5,455.11-2,184.67

Finding the Fourth Proportional to 3,952.72, 5,455.11 and 2,184.67

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Solution

The fourth proportional to 3,952.72, 5,455.11 and 2,184.67 is: 3,015.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.72 : 5,455.11 = 2,184.67 : x
  2. Step 2: Convert to fraction form
    3,952.72/5,455.11 = 2,184.67/x
  3. Step 3: Cross multiply
    3,952.72x = 5,455.11 × 2,184.67
  4. Step 4: Simplify right side
    3,952.72x = 11,917,615.16
  5. Step 5: Solve for x
    x = 11,917,615.16/3,952.72
  6. Step 6: Final answer
    x = 3,015.04

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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.