Home / 4,272.48-6,406.44-1,962

Finding the Fourth Proportional to 4,272.48, 6,406.44 and 1,962

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Solution

The fourth proportional to 4,272.48, 6,406.44 and 1,962 is: 2,941.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.48 : 6,406.44 = 1,962 : x
  2. Step 2: Convert to fraction form
    4,272.48/6,406.44 = 1,962/x
  3. Step 3: Cross multiply
    4,272.48x = 6,406.44 × 1,962
  4. Step 4: Simplify right side
    4,272.48x = 12,569,435.28
  5. Step 5: Solve for x
    x = 12,569,435.28/4,272.48
  6. Step 6: Final answer
    x = 2,941.95

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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.