Home / 2,689.58-4,034.01-1,045.97

Finding the Fourth Proportional to 2,689.58, 4,034.01 and 1,045.97

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Solution

The fourth proportional to 2,689.58, 4,034.01 and 1,045.97 is: 1,568.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689.58 : 4,034.01 = 1,045.97 : x
  2. Step 2: Convert to fraction form
    2,689.58/4,034.01 = 1,045.97/x
  3. Step 3: Cross multiply
    2,689.58x = 4,034.01 × 1,045.97
  4. Step 4: Simplify right side
    2,689.58x = 4,219,453.44
  5. Step 5: Solve for x
    x = 4,219,453.44/2,689.58
  6. Step 6: Final answer
    x = 1,568.81

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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.