Home / 3,230.12-4,457.36-1,814

Finding the Fourth Proportional to 3,230.12, 4,457.36 and 1,814

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Solution

The fourth proportional to 3,230.12, 4,457.36 and 1,814 is: 2,503.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.12 : 4,457.36 = 1,814 : x
  2. Step 2: Convert to fraction form
    3,230.12/4,457.36 = 1,814/x
  3. Step 3: Cross multiply
    3,230.12x = 4,457.36 × 1,814
  4. Step 4: Simplify right side
    3,230.12x = 8,085,651.04
  5. Step 5: Solve for x
    x = 8,085,651.04/3,230.12
  6. Step 6: Final answer
    x = 2,503.20

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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.