Home / 3,001.20-4,490.53-2,078.56

Finding the Fourth Proportional to 3,001.20, 4,490.53 and 2,078.56

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Solution

The fourth proportional to 3,001.20, 4,490.53 and 2,078.56 is: 3,110.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.20 : 4,490.53 = 2,078.56 : x
  2. Step 2: Convert to fraction form
    3,001.20/4,490.53 = 2,078.56/x
  3. Step 3: Cross multiply
    3,001.20x = 4,490.53 × 2,078.56
  4. Step 4: Simplify right side
    3,001.20x = 9,333,833.53
  5. Step 5: Solve for x
    x = 9,333,833.53/3,001.20
  6. Step 6: Final answer
    x = 3,110.03

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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.