Home / 3,113.15-4,669.73-2,906.60

Finding the Fourth Proportional to 3,113.15, 4,669.73 and 2,906.60

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Solution

The fourth proportional to 3,113.15, 4,669.73 and 2,906.60 is: 4,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.15 : 4,669.73 = 2,906.60 : x
  2. Step 2: Convert to fraction form
    3,113.15/4,669.73 = 2,906.60/x
  3. Step 3: Cross multiply
    3,113.15x = 4,669.73 × 2,906.60
  4. Step 4: Simplify right side
    3,113.15x = 13,573,037.22
  5. Step 5: Solve for x
    x = 13,573,037.22/3,113.15
  6. Step 6: Final answer
    x = 4,359.90

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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.