Home / 2,160.18-3,241.08-927.90

Finding the Fourth Proportional to 2,160.18, 3,241.08 and 927.90

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Solution

The fourth proportional to 2,160.18, 3,241.08 and 927.90 is: 1,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.18 : 3,241.08 = 927.90 : x
  2. Step 2: Convert to fraction form
    2,160.18/3,241.08 = 927.90/x
  3. Step 3: Cross multiply
    2,160.18x = 3,241.08 × 927.90
  4. Step 4: Simplify right side
    2,160.18x = 3,007,398.13
  5. Step 5: Solve for x
    x = 3,007,398.13/2,160.18
  6. Step 6: Final answer
    x = 1,392.20

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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.