Home / 2,972.50-4,103.97-1,853.89

Finding the Fourth Proportional to 2,972.50, 4,103.97 and 1,853.89

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Solution

The fourth proportional to 2,972.50, 4,103.97 and 1,853.89 is: 2,559.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.50 : 4,103.97 = 1,853.89 : x
  2. Step 2: Convert to fraction form
    2,972.50/4,103.97 = 1,853.89/x
  3. Step 3: Cross multiply
    2,972.50x = 4,103.97 × 1,853.89
  4. Step 4: Simplify right side
    2,972.50x = 7,608,291.73
  5. Step 5: Solve for x
    x = 7,608,291.73/2,972.50
  6. Step 6: Final answer
    x = 2,559.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.