Home / 3,981.17-5,957.78-3,270.11

Finding the Fourth Proportional to 3,981.17, 5,957.78 and 3,270.11

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Solution

The fourth proportional to 3,981.17, 5,957.78 and 3,270.11 is: 4,893.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981.17 : 5,957.78 = 3,270.11 : x
  2. Step 2: Convert to fraction form
    3,981.17/5,957.78 = 3,270.11/x
  3. Step 3: Cross multiply
    3,981.17x = 5,957.78 × 3,270.11
  4. Step 4: Simplify right side
    3,981.17x = 19,482,549.82
  5. Step 5: Solve for x
    x = 19,482,549.82/3,981.17
  6. Step 6: Final answer
    x = 4,893.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.