Home / 2,134.76-3,185.96-2,079.41

Finding the Fourth Proportional to 2,134.76, 3,185.96 and 2,079.41

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Solution

The fourth proportional to 2,134.76, 3,185.96 and 2,079.41 is: 3,103.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.76 : 3,185.96 = 2,079.41 : x
  2. Step 2: Convert to fraction form
    2,134.76/3,185.96 = 2,079.41/x
  3. Step 3: Cross multiply
    2,134.76x = 3,185.96 × 2,079.41
  4. Step 4: Simplify right side
    2,134.76x = 6,624,890.76
  5. Step 5: Solve for x
    x = 6,624,890.76/2,134.76
  6. Step 6: Final answer
    x = 3,103.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.