Home / 3,905.53-5,859.08-1,440.37

Finding the Fourth Proportional to 3,905.53, 5,859.08 and 1,440.37

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Solution

The fourth proportional to 3,905.53, 5,859.08 and 1,440.37 is: 2,160.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.53 : 5,859.08 = 1,440.37 : x
  2. Step 2: Convert to fraction form
    3,905.53/5,859.08 = 1,440.37/x
  3. Step 3: Cross multiply
    3,905.53x = 5,859.08 × 1,440.37
  4. Step 4: Simplify right side
    3,905.53x = 8,439,213.76
  5. Step 5: Solve for x
    x = 8,439,213.76/3,905.53
  6. Step 6: Final answer
    x = 2,160.84

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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.