Home / 2,677.21-4,013.65-1,118.41

Finding the Fourth Proportional to 2,677.21, 4,013.65 and 1,118.41

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Solution

The fourth proportional to 2,677.21, 4,013.65 and 1,118.41 is: 1,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.21 : 4,013.65 = 1,118.41 : x
  2. Step 2: Convert to fraction form
    2,677.21/4,013.65 = 1,118.41/x
  3. Step 3: Cross multiply
    2,677.21x = 4,013.65 × 1,118.41
  4. Step 4: Simplify right side
    2,677.21x = 4,488,883.43
  5. Step 5: Solve for x
    x = 4,488,883.43/2,677.21
  6. Step 6: Final answer
    x = 1,676.70

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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.