Home / 3,401.64-5,099.58-1,455.24

Finding the Fourth Proportional to 3,401.64, 5,099.58 and 1,455.24

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Solution

The fourth proportional to 3,401.64, 5,099.58 and 1,455.24 is: 2,181.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.64 : 5,099.58 = 1,455.24 : x
  2. Step 2: Convert to fraction form
    3,401.64/5,099.58 = 1,455.24/x
  3. Step 3: Cross multiply
    3,401.64x = 5,099.58 × 1,455.24
  4. Step 4: Simplify right side
    3,401.64x = 7,421,112.80
  5. Step 5: Solve for x
    x = 7,421,112.80/3,401.64
  6. Step 6: Final answer
    x = 2,181.63

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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.