Home / 3,228.96-4,457.61-2,285.49

Finding the Fourth Proportional to 3,228.96, 4,457.61 and 2,285.49

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Solution

The fourth proportional to 3,228.96, 4,457.61 and 2,285.49 is: 3,155.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.96 : 4,457.61 = 2,285.49 : x
  2. Step 2: Convert to fraction form
    3,228.96/4,457.61 = 2,285.49/x
  3. Step 3: Cross multiply
    3,228.96x = 4,457.61 × 2,285.49
  4. Step 4: Simplify right side
    3,228.96x = 10,187,823.08
  5. Step 5: Solve for x
    x = 10,187,823.08/3,228.96
  6. Step 6: Final answer
    x = 3,155.14

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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.