Home / 3,491.64-5,230.14-2,835.72

Finding the Fourth Proportional to 3,491.64, 5,230.14 and 2,835.72

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Solution

The fourth proportional to 3,491.64, 5,230.14 and 2,835.72 is: 4,247.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.64 : 5,230.14 = 2,835.72 : x
  2. Step 2: Convert to fraction form
    3,491.64/5,230.14 = 2,835.72/x
  3. Step 3: Cross multiply
    3,491.64x = 5,230.14 × 2,835.72
  4. Step 4: Simplify right side
    3,491.64x = 14,831,212.60
  5. Step 5: Solve for x
    x = 14,831,212.60/3,491.64
  6. Step 6: Final answer
    x = 4,247.64

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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.