Home / 3,688.49-5,532.51-1,222.65

Finding the Fourth Proportional to 3,688.49, 5,532.51 and 1,222.65

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Solution

The fourth proportional to 3,688.49, 5,532.51 and 1,222.65 is: 1,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.49 : 5,532.51 = 1,222.65 : x
  2. Step 2: Convert to fraction form
    3,688.49/5,532.51 = 1,222.65/x
  3. Step 3: Cross multiply
    3,688.49x = 5,532.51 × 1,222.65
  4. Step 4: Simplify right side
    3,688.49x = 6,764,323.35
  5. Step 5: Solve for x
    x = 6,764,323.35/3,688.49
  6. Step 6: Final answer
    x = 1,833.90

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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.