Home / 2,958.28-4,084.26-2,077.64

Finding the Fourth Proportional to 2,958.28, 4,084.26 and 2,077.64

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Solution

The fourth proportional to 2,958.28, 4,084.26 and 2,077.64 is: 2,868.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.28 : 4,084.26 = 2,077.64 : x
  2. Step 2: Convert to fraction form
    2,958.28/4,084.26 = 2,077.64/x
  3. Step 3: Cross multiply
    2,958.28x = 4,084.26 × 2,077.64
  4. Step 4: Simplify right side
    2,958.28x = 8,485,621.95
  5. Step 5: Solve for x
    x = 8,485,621.95/2,958.28
  6. Step 6: Final answer
    x = 2,868.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.