Home / 3,117.60-4,676.31-1,268.24

Finding the Fourth Proportional to 3,117.60, 4,676.31 and 1,268.24

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Solution

The fourth proportional to 3,117.60, 4,676.31 and 1,268.24 is: 1,902.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.60 : 4,676.31 = 1,268.24 : x
  2. Step 2: Convert to fraction form
    3,117.60/4,676.31 = 1,268.24/x
  3. Step 3: Cross multiply
    3,117.60x = 4,676.31 × 1,268.24
  4. Step 4: Simplify right side
    3,117.60x = 5,930,660.01
  5. Step 5: Solve for x
    x = 5,930,660.01/3,117.60
  6. Step 6: Final answer
    x = 1,902.32

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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.