Home / 2,459.19-3,689.39-1,072.77

Finding the Fourth Proportional to 2,459.19, 3,689.39 and 1,072.77

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Solution

The fourth proportional to 2,459.19, 3,689.39 and 1,072.77 is: 1,609.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.19 : 3,689.39 = 1,072.77 : x
  2. Step 2: Convert to fraction form
    2,459.19/3,689.39 = 1,072.77/x
  3. Step 3: Cross multiply
    2,459.19x = 3,689.39 × 1,072.77
  4. Step 4: Simplify right side
    2,459.19x = 3,957,866.91
  5. Step 5: Solve for x
    x = 3,957,866.91/2,459.19
  6. Step 6: Final answer
    x = 1,609.42

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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.