Home / 2,686.12-4,025.76-2,338

Finding the Fourth Proportional to 2,686.12, 4,025.76 and 2,338

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Solution

The fourth proportional to 2,686.12, 4,025.76 and 2,338 is: 3,504.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.12 : 4,025.76 = 2,338 : x
  2. Step 2: Convert to fraction form
    2,686.12/4,025.76 = 2,338/x
  3. Step 3: Cross multiply
    2,686.12x = 4,025.76 × 2,338
  4. Step 4: Simplify right side
    2,686.12x = 9,412,226.88
  5. Step 5: Solve for x
    x = 9,412,226.88/2,686.12
  6. Step 6: Final answer
    x = 3,504.02

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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.