Home / 3,960.90-5,466.27-2,192.67

Finding the Fourth Proportional to 3,960.90, 5,466.27 and 2,192.67

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Solution

The fourth proportional to 3,960.90, 5,466.27 and 2,192.67 is: 3,026.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.90 : 5,466.27 = 2,192.67 : x
  2. Step 2: Convert to fraction form
    3,960.90/5,466.27 = 2,192.67/x
  3. Step 3: Cross multiply
    3,960.90x = 5,466.27 × 2,192.67
  4. Step 4: Simplify right side
    3,960.90x = 11,985,726.24
  5. Step 5: Solve for x
    x = 11,985,726.24/3,960.90
  6. Step 6: Final answer
    x = 3,026.01

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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.