Home / 2,399.32-3,599.39-1,100.89

Finding the Fourth Proportional to 2,399.32, 3,599.39 and 1,100.89

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Solution

The fourth proportional to 2,399.32, 3,599.39 and 1,100.89 is: 1,651.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.32 : 3,599.39 = 1,100.89 : x
  2. Step 2: Convert to fraction form
    2,399.32/3,599.39 = 1,100.89/x
  3. Step 3: Cross multiply
    2,399.32x = 3,599.39 × 1,100.89
  4. Step 4: Simplify right side
    2,399.32x = 3,962,532.46
  5. Step 5: Solve for x
    x = 3,962,532.46/2,399.32
  6. Step 6: Final answer
    x = 1,651.52

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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.