Home / 2,661.39-3,989.35-2,297.84

Finding the Fourth Proportional to 2,661.39, 3,989.35 and 2,297.84

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Solution

The fourth proportional to 2,661.39, 3,989.35 and 2,297.84 is: 3,444.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661.39 : 3,989.35 = 2,297.84 : x
  2. Step 2: Convert to fraction form
    2,661.39/3,989.35 = 2,297.84/x
  3. Step 3: Cross multiply
    2,661.39x = 3,989.35 × 2,297.84
  4. Step 4: Simplify right side
    2,661.39x = 9,166,870.93
  5. Step 5: Solve for x
    x = 9,166,870.93/2,661.39
  6. Step 6: Final answer
    x = 3,444.39

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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.