Home / 2,676.32-4,011.80-1,289.26

Finding the Fourth Proportional to 2,676.32, 4,011.80 and 1,289.26

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Solution

The fourth proportional to 2,676.32, 4,011.80 and 1,289.26 is: 1,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.32 : 4,011.80 = 1,289.26 : x
  2. Step 2: Convert to fraction form
    2,676.32/4,011.80 = 1,289.26/x
  3. Step 3: Cross multiply
    2,676.32x = 4,011.80 × 1,289.26
  4. Step 4: Simplify right side
    2,676.32x = 5,172,233.21
  5. Step 5: Solve for x
    x = 5,172,233.21/2,676.32
  6. Step 6: Final answer
    x = 1,932.60

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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.