Home / 2,961.94-4,445.64-2,783.34

Finding the Fourth Proportional to 2,961.94, 4,445.64 and 2,783.34

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Solution

The fourth proportional to 2,961.94, 4,445.64 and 2,783.34 is: 4,177.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.94 : 4,445.64 = 2,783.34 : x
  2. Step 2: Convert to fraction form
    2,961.94/4,445.64 = 2,783.34/x
  3. Step 3: Cross multiply
    2,961.94x = 4,445.64 × 2,783.34
  4. Step 4: Simplify right side
    2,961.94x = 12,373,727.64
  5. Step 5: Solve for x
    x = 12,373,727.64/2,961.94
  6. Step 6: Final answer
    x = 4,177.58

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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.