Home / 3,228.57-4,457.54-2,236.89

Finding the Fourth Proportional to 3,228.57, 4,457.54 and 2,236.89

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Solution

The fourth proportional to 3,228.57, 4,457.54 and 2,236.89 is: 3,088.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.57 : 4,457.54 = 2,236.89 : x
  2. Step 2: Convert to fraction form
    3,228.57/4,457.54 = 2,236.89/x
  3. Step 3: Cross multiply
    3,228.57x = 4,457.54 × 2,236.89
  4. Step 4: Simplify right side
    3,228.57x = 9,971,026.65
  5. Step 5: Solve for x
    x = 9,971,026.65/3,228.57
  6. Step 6: Final answer
    x = 3,088.37

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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.