Home / 3,628.58-5,007.04-2,136.96

Finding the Fourth Proportional to 3,628.58, 5,007.04 and 2,136.96

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Solution

The fourth proportional to 3,628.58, 5,007.04 and 2,136.96 is: 2,948.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.58 : 5,007.04 = 2,136.96 : x
  2. Step 2: Convert to fraction form
    3,628.58/5,007.04 = 2,136.96/x
  3. Step 3: Cross multiply
    3,628.58x = 5,007.04 × 2,136.96
  4. Step 4: Simplify right side
    3,628.58x = 10,699,838.86
  5. Step 5: Solve for x
    x = 10,699,838.86/3,628.58
  6. Step 6: Final answer
    x = 2,948.77

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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.