Home / 2,676.08-4,014.81-1,115.57

Finding the Fourth Proportional to 2,676.08, 4,014.81 and 1,115.57

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Solution

The fourth proportional to 2,676.08, 4,014.81 and 1,115.57 is: 1,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.08 : 4,014.81 = 1,115.57 : x
  2. Step 2: Convert to fraction form
    2,676.08/4,014.81 = 1,115.57/x
  3. Step 3: Cross multiply
    2,676.08x = 4,014.81 × 1,115.57
  4. Step 4: Simplify right side
    2,676.08x = 4,478,781.52
  5. Step 5: Solve for x
    x = 4,478,781.52/2,676.08
  6. Step 6: Final answer
    x = 1,673.64

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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.