Home / 2,251.50-3,378.06-2,071.68

Finding the Fourth Proportional to 2,251.50, 3,378.06 and 2,071.68

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Solution

The fourth proportional to 2,251.50, 3,378.06 and 2,071.68 is: 3,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.50 : 3,378.06 = 2,071.68 : x
  2. Step 2: Convert to fraction form
    2,251.50/3,378.06 = 2,071.68/x
  3. Step 3: Cross multiply
    2,251.50x = 3,378.06 × 2,071.68
  4. Step 4: Simplify right side
    2,251.50x = 6,998,259.34
  5. Step 5: Solve for x
    x = 6,998,259.34/2,251.50
  6. Step 6: Final answer
    x = 3,108.27

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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.