Home / 3,900.93-5,383.98-2,329.17

Finding the Fourth Proportional to 3,900.93, 5,383.98 and 2,329.17

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Solution

The fourth proportional to 3,900.93, 5,383.98 and 2,329.17 is: 3,214.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.93 : 5,383.98 = 2,329.17 : x
  2. Step 2: Convert to fraction form
    3,900.93/5,383.98 = 2,329.17/x
  3. Step 3: Cross multiply
    3,900.93x = 5,383.98 × 2,329.17
  4. Step 4: Simplify right side
    3,900.93x = 12,540,204.70
  5. Step 5: Solve for x
    x = 12,540,204.70/3,900.93
  6. Step 6: Final answer
    x = 3,214.67

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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.