Home / 3,203.28-4,802.58-2,160.68

Finding the Fourth Proportional to 3,203.28, 4,802.58 and 2,160.68

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Solution

The fourth proportional to 3,203.28, 4,802.58 and 2,160.68 is: 3,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.28 : 4,802.58 = 2,160.68 : x
  2. Step 2: Convert to fraction form
    3,203.28/4,802.58 = 2,160.68/x
  3. Step 3: Cross multiply
    3,203.28x = 4,802.58 × 2,160.68
  4. Step 4: Simplify right side
    3,203.28x = 10,376,814.54
  5. Step 5: Solve for x
    x = 10,376,814.54/3,203.28
  6. Step 6: Final answer
    x = 3,239.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.