Home / 2,573.18-3,868.31-2,114.36

Finding the Fourth Proportional to 2,573.18, 3,868.31 and 2,114.36

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Solution

The fourth proportional to 2,573.18, 3,868.31 and 2,114.36 is: 3,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,573.18 : 3,868.31 = 2,114.36 : x
  2. Step 2: Convert to fraction form
    2,573.18/3,868.31 = 2,114.36/x
  3. Step 3: Cross multiply
    2,573.18x = 3,868.31 × 2,114.36
  4. Step 4: Simplify right side
    2,573.18x = 8,178,999.93
  5. Step 5: Solve for x
    x = 8,178,999.93/2,573.18
  6. Step 6: Final answer
    x = 3,178.56

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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.