Home / 2,686.55-3,727.67-2,610

Finding the Fourth Proportional to 2,686.55, 3,727.67 and 2,610

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Solution

The fourth proportional to 2,686.55, 3,727.67 and 2,610 is: 3,621.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.55 : 3,727.67 = 2,610 : x
  2. Step 2: Convert to fraction form
    2,686.55/3,727.67 = 2,610/x
  3. Step 3: Cross multiply
    2,686.55x = 3,727.67 × 2,610
  4. Step 4: Simplify right side
    2,686.55x = 9,729,205.65
  5. Step 5: Solve for x
    x = 9,729,205.65/2,686.55
  6. Step 6: Final answer
    x = 3,621.46

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.