Home / 2,675.31-4,006.89-2,186.07

Finding the Fourth Proportional to 2,675.31, 4,006.89 and 2,186.07

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Solution

The fourth proportional to 2,675.31, 4,006.89 and 2,186.07 is: 3,274.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.31 : 4,006.89 = 2,186.07 : x
  2. Step 2: Convert to fraction form
    2,675.31/4,006.89 = 2,186.07/x
  3. Step 3: Cross multiply
    2,675.31x = 4,006.89 × 2,186.07
  4. Step 4: Simplify right side
    2,675.31x = 8,759,342.02
  5. Step 5: Solve for x
    x = 8,759,342.02/2,675.31
  6. Step 6: Final answer
    x = 3,274.14

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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.