Home / 3,232.20-4,459.77-1,905

Finding the Fourth Proportional to 3,232.20, 4,459.77 and 1,905

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Solution

The fourth proportional to 3,232.20, 4,459.77 and 1,905 is: 2,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,232.20 : 4,459.77 = 1,905 : x
  2. Step 2: Convert to fraction form
    3,232.20/4,459.77 = 1,905/x
  3. Step 3: Cross multiply
    3,232.20x = 4,459.77 × 1,905
  4. Step 4: Simplify right side
    3,232.20x = 8,495,861.85
  5. Step 5: Solve for x
    x = 8,495,861.85/3,232.20
  6. Step 6: Final answer
    x = 2,628.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.