Home / 3,392.98-5,091-2,160.07

Finding the Fourth Proportional to 3,392.98, 5,091 and 2,160.07

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Solution

The fourth proportional to 3,392.98, 5,091 and 2,160.07 is: 3,241.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.98 : 5,091 = 2,160.07 : x
  2. Step 2: Convert to fraction form
    3,392.98/5,091 = 2,160.07/x
  3. Step 3: Cross multiply
    3,392.98x = 5,091 × 2,160.07
  4. Step 4: Simplify right side
    3,392.98x = 10,996,916.37
  5. Step 5: Solve for x
    x = 10,996,916.37/3,392.98
  6. Step 6: Final answer
    x = 3,241.08

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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.