Home / 3,230.28-4,457.45-1,814.12

Finding the Fourth Proportional to 3,230.28, 4,457.45 and 1,814.12

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Solution

The fourth proportional to 3,230.28, 4,457.45 and 1,814.12 is: 2,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.28 : 4,457.45 = 1,814.12 : x
  2. Step 2: Convert to fraction form
    3,230.28/4,457.45 = 1,814.12/x
  3. Step 3: Cross multiply
    3,230.28x = 4,457.45 × 1,814.12
  4. Step 4: Simplify right side
    3,230.28x = 8,086,344.91
  5. Step 5: Solve for x
    x = 8,086,344.91/3,230.28
  6. Step 6: Final answer
    x = 2,503.30

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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.