Home / 3,904.28-5,858.70-1,440.81

Finding the Fourth Proportional to 3,904.28, 5,858.70 and 1,440.81

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Solution

The fourth proportional to 3,904.28, 5,858.70 and 1,440.81 is: 2,162.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.28 : 5,858.70 = 1,440.81 : x
  2. Step 2: Convert to fraction form
    3,904.28/5,858.70 = 1,440.81/x
  3. Step 3: Cross multiply
    3,904.28x = 5,858.70 × 1,440.81
  4. Step 4: Simplify right side
    3,904.28x = 8,441,273.55
  5. Step 5: Solve for x
    x = 8,441,273.55/3,904.28
  6. Step 6: Final answer
    x = 2,162.06

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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.