Home / 3,230.26-4,457.22-1,903.78

Finding the Fourth Proportional to 3,230.26, 4,457.22 and 1,903.78

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Solution

The fourth proportional to 3,230.26, 4,457.22 and 1,903.78 is: 2,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.26 : 4,457.22 = 1,903.78 : x
  2. Step 2: Convert to fraction form
    3,230.26/4,457.22 = 1,903.78/x
  3. Step 3: Cross multiply
    3,230.26x = 4,457.22 × 1,903.78
  4. Step 4: Simplify right side
    3,230.26x = 8,485,566.29
  5. Step 5: Solve for x
    x = 8,485,566.29/3,230.26
  6. Step 6: Final answer
    x = 2,626.90

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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.