Home / 3,230.11-4,457.21-1,813.96

Finding the Fourth Proportional to 3,230.11, 4,457.21 and 1,813.96

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Solution

The fourth proportional to 3,230.11, 4,457.21 and 1,813.96 is: 2,503.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.11 : 4,457.21 = 1,813.96 : x
  2. Step 2: Convert to fraction form
    3,230.11/4,457.21 = 1,813.96/x
  3. Step 3: Cross multiply
    3,230.11x = 4,457.21 × 1,813.96
  4. Step 4: Simplify right side
    3,230.11x = 8,085,182.29
  5. Step 5: Solve for x
    x = 8,085,182.29/3,230.11
  6. Step 6: Final answer
    x = 2,503.06

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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.