Home / 3,134.28-4,325.74-2,014.86

Finding the Fourth Proportional to 3,134.28, 4,325.74 and 2,014.86

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Solution

The fourth proportional to 3,134.28, 4,325.74 and 2,014.86 is: 2,780.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.28 : 4,325.74 = 2,014.86 : x
  2. Step 2: Convert to fraction form
    3,134.28/4,325.74 = 2,014.86/x
  3. Step 3: Cross multiply
    3,134.28x = 4,325.74 × 2,014.86
  4. Step 4: Simplify right side
    3,134.28x = 8,715,760.50
  5. Step 5: Solve for x
    x = 8,715,760.50/3,134.28
  6. Step 6: Final answer
    x = 2,780.79

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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.