Home / 3,630.90-4,998.36-3,257.76

Finding the Fourth Proportional to 3,630.90, 4,998.36 and 3,257.76

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Solution

The fourth proportional to 3,630.90, 4,998.36 and 3,257.76 is: 4,484.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.90 : 4,998.36 = 3,257.76 : x
  2. Step 2: Convert to fraction form
    3,630.90/4,998.36 = 3,257.76/x
  3. Step 3: Cross multiply
    3,630.90x = 4,998.36 × 3,257.76
  4. Step 4: Simplify right side
    3,630.90x = 16,283,457.27
  5. Step 5: Solve for x
    x = 16,283,457.27/3,630.90
  6. Step 6: Final answer
    x = 4,484.69

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1.5x scale

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.