Home / 3,091.60-4,637.40-1,796.40

Finding the Fourth Proportional to 3,091.60, 4,637.40 and 1,796.40

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Solution

The fourth proportional to 3,091.60, 4,637.40 and 1,796.40 is: 2,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.60 : 4,637.40 = 1,796.40 : x
  2. Step 2: Convert to fraction form
    3,091.60/4,637.40 = 1,796.40/x
  3. Step 3: Cross multiply
    3,091.60x = 4,637.40 × 1,796.40
  4. Step 4: Simplify right side
    3,091.60x = 8,330,625.36
  5. Step 5: Solve for x
    x = 8,330,625.36/3,091.60
  6. Step 6: Final answer
    x = 2,694.60

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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.