Home / 2,676.18-4,014.78-1,215.44

Finding the Fourth Proportional to 2,676.18, 4,014.78 and 1,215.44

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Solution

The fourth proportional to 2,676.18, 4,014.78 and 1,215.44 is: 1,823.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.18 : 4,014.78 = 1,215.44 : x
  2. Step 2: Convert to fraction form
    2,676.18/4,014.78 = 1,215.44/x
  3. Step 3: Cross multiply
    2,676.18x = 4,014.78 × 1,215.44
  4. Step 4: Simplify right side
    2,676.18x = 4,879,704.13
  5. Step 5: Solve for x
    x = 4,879,704.13/2,676.18
  6. Step 6: Final answer
    x = 1,823.38

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1.5x scale

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.