Home / 2,686.14-3,704.32-2,056.70

Finding the Fourth Proportional to 2,686.14, 3,704.32 and 2,056.70

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Solution

The fourth proportional to 2,686.14, 3,704.32 and 2,056.70 is: 2,836.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.14 : 3,704.32 = 2,056.70 : x
  2. Step 2: Convert to fraction form
    2,686.14/3,704.32 = 2,056.70/x
  3. Step 3: Cross multiply
    2,686.14x = 3,704.32 × 2,056.70
  4. Step 4: Simplify right side
    2,686.14x = 7,618,674.94
  5. Step 5: Solve for x
    x = 7,618,674.94/2,686.14
  6. Step 6: Final answer
    x = 2,836.29

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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.