Home / 2,686.24-4,025.57-2,135.98

Finding the Fourth Proportional to 2,686.24, 4,025.57 and 2,135.98

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Solution

The fourth proportional to 2,686.24, 4,025.57 and 2,135.98 is: 3,200.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.24 : 4,025.57 = 2,135.98 : x
  2. Step 2: Convert to fraction form
    2,686.24/4,025.57 = 2,135.98/x
  3. Step 3: Cross multiply
    2,686.24x = 4,025.57 × 2,135.98
  4. Step 4: Simplify right side
    2,686.24x = 8,598,516.88
  5. Step 5: Solve for x
    x = 8,598,516.88/2,686.24
  6. Step 6: Final answer
    x = 3,200.95

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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.