Home / 3,950.03-5,450.29-2,378.23

Finding the Fourth Proportional to 3,950.03, 5,450.29 and 2,378.23

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Solution

The fourth proportional to 3,950.03, 5,450.29 and 2,378.23 is: 3,281.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.03 : 5,450.29 = 2,378.23 : x
  2. Step 2: Convert to fraction form
    3,950.03/5,450.29 = 2,378.23/x
  3. Step 3: Cross multiply
    3,950.03x = 5,450.29 × 2,378.23
  4. Step 4: Simplify right side
    3,950.03x = 12,962,023.62
  5. Step 5: Solve for x
    x = 12,962,023.62/3,950.03
  6. Step 6: Final answer
    x = 3,281.50

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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.