Home / 3,952.99-5,455.09-2,184.56

Finding the Fourth Proportional to 3,952.99, 5,455.09 and 2,184.56

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Solution

The fourth proportional to 3,952.99, 5,455.09 and 2,184.56 is: 3,014.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.99 : 5,455.09 = 2,184.56 : x
  2. Step 2: Convert to fraction form
    3,952.99/5,455.09 = 2,184.56/x
  3. Step 3: Cross multiply
    3,952.99x = 5,455.09 × 2,184.56
  4. Step 4: Simplify right side
    3,952.99x = 11,916,960.49
  5. Step 5: Solve for x
    x = 11,916,960.49/3,952.99
  6. Step 6: Final answer
    x = 3,014.67

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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.