Home / 3,909.22-5,856.48-1,962.82

Finding the Fourth Proportional to 3,909.22, 5,856.48 and 1,962.82

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Solution

The fourth proportional to 3,909.22, 5,856.48 and 1,962.82 is: 2,940.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.22 : 5,856.48 = 1,962.82 : x
  2. Step 2: Convert to fraction form
    3,909.22/5,856.48 = 1,962.82/x
  3. Step 3: Cross multiply
    3,909.22x = 5,856.48 × 1,962.82
  4. Step 4: Simplify right side
    3,909.22x = 11,495,216.07
  5. Step 5: Solve for x
    x = 11,495,216.07/3,909.22
  6. Step 6: Final answer
    x = 2,940.54

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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.