Home / 3,229.88-4,457.77-1,903.91

Finding the Fourth Proportional to 3,229.88, 4,457.77 and 1,903.91

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Solution

The fourth proportional to 3,229.88, 4,457.77 and 1,903.91 is: 2,627.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.88 : 4,457.77 = 1,903.91 : x
  2. Step 2: Convert to fraction form
    3,229.88/4,457.77 = 1,903.91/x
  3. Step 3: Cross multiply
    3,229.88x = 4,457.77 × 1,903.91
  4. Step 4: Simplify right side
    3,229.88x = 8,487,165.83
  5. Step 5: Solve for x
    x = 8,487,165.83/3,229.88
  6. Step 6: Final answer
    x = 2,627.71

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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.