Home / 3,128.89-4,689.96-2,034.04

Finding the Fourth Proportional to 3,128.89, 4,689.96 and 2,034.04

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Solution

The fourth proportional to 3,128.89, 4,689.96 and 2,034.04 is: 3,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128.89 : 4,689.96 = 2,034.04 : x
  2. Step 2: Convert to fraction form
    3,128.89/4,689.96 = 2,034.04/x
  3. Step 3: Cross multiply
    3,128.89x = 4,689.96 × 2,034.04
  4. Step 4: Simplify right side
    3,128.89x = 9,539,566.24
  5. Step 5: Solve for x
    x = 9,539,566.24/3,128.89
  6. Step 6: Final answer
    x = 3,048.87

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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.