Home / 4,078.64-5,630.91-2,958.50

Finding the Fourth Proportional to 4,078.64, 5,630.91 and 2,958.50

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Solution

The fourth proportional to 4,078.64, 5,630.91 and 2,958.50 is: 4,084.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.64 : 5,630.91 = 2,958.50 : x
  2. Step 2: Convert to fraction form
    4,078.64/5,630.91 = 2,958.50/x
  3. Step 3: Cross multiply
    4,078.64x = 5,630.91 × 2,958.50
  4. Step 4: Simplify right side
    4,078.64x = 16,659,047.24
  5. Step 5: Solve for x
    x = 16,659,047.24/4,078.64
  6. Step 6: Final answer
    x = 4,084.46

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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.