Home / 3,128.33-4,688.91-1,482.54

Finding the Fourth Proportional to 3,128.33, 4,688.91 and 1,482.54

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Solution

The fourth proportional to 3,128.33, 4,688.91 and 1,482.54 is: 2,222.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128.33 : 4,688.91 = 1,482.54 : x
  2. Step 2: Convert to fraction form
    3,128.33/4,688.91 = 1,482.54/x
  3. Step 3: Cross multiply
    3,128.33x = 4,688.91 × 1,482.54
  4. Step 4: Simplify right side
    3,128.33x = 6,951,496.63
  5. Step 5: Solve for x
    x = 6,951,496.63/3,128.33
  6. Step 6: Final answer
    x = 2,222.11

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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.