Home / 2,583.21-3,871.11-2,064.78

Finding the Fourth Proportional to 2,583.21, 3,871.11 and 2,064.78

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Solution

The fourth proportional to 2,583.21, 3,871.11 and 2,064.78 is: 3,094.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,583.21 : 3,871.11 = 2,064.78 : x
  2. Step 2: Convert to fraction form
    2,583.21/3,871.11 = 2,064.78/x
  3. Step 3: Cross multiply
    2,583.21x = 3,871.11 × 2,064.78
  4. Step 4: Simplify right side
    2,583.21x = 7,992,990.51
  5. Step 5: Solve for x
    x = 7,992,990.51/2,583.21
  6. Step 6: Final answer
    x = 3,094.21

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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.