Home / 3,117.37-4,676.05-1,268.05

Finding the Fourth Proportional to 3,117.37, 4,676.05 and 1,268.05

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Solution

The fourth proportional to 3,117.37, 4,676.05 and 1,268.05 is: 1,902.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.37 : 4,676.05 = 1,268.05 : x
  2. Step 2: Convert to fraction form
    3,117.37/4,676.05 = 1,268.05/x
  3. Step 3: Cross multiply
    3,117.37x = 4,676.05 × 1,268.05
  4. Step 4: Simplify right side
    3,117.37x = 5,929,443.58
  5. Step 5: Solve for x
    x = 5,929,443.58/3,117.37
  6. Step 6: Final answer
    x = 1,902.07

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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.