Home / 3,748.70-5,635.20-3,214.10

Finding the Fourth Proportional to 3,748.70, 5,635.20 and 3,214.10

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Solution

The fourth proportional to 3,748.70, 5,635.20 and 3,214.10 is: 4,831.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.70 : 5,635.20 = 3,214.10 : x
  2. Step 2: Convert to fraction form
    3,748.70/5,635.20 = 3,214.10/x
  3. Step 3: Cross multiply
    3,748.70x = 5,635.20 × 3,214.10
  4. Step 4: Simplify right side
    3,748.70x = 18,112,096.32
  5. Step 5: Solve for x
    x = 18,112,096.32/3,748.70
  6. Step 6: Final answer
    x = 4,831.57

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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.