Home / 3,440.07-5,158.28-1,359.99

Finding the Fourth Proportional to 3,440.07, 5,158.28 and 1,359.99

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Solution

The fourth proportional to 3,440.07, 5,158.28 and 1,359.99 is: 2,039.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.07 : 5,158.28 = 1,359.99 : x
  2. Step 2: Convert to fraction form
    3,440.07/5,158.28 = 1,359.99/x
  3. Step 3: Cross multiply
    3,440.07x = 5,158.28 × 1,359.99
  4. Step 4: Simplify right side
    3,440.07x = 7,015,212.62
  5. Step 5: Solve for x
    x = 7,015,212.62/3,440.07
  6. Step 6: Final answer
    x = 2,039.26

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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.