Home / 3,749.05-5,623.80-1,898.02

Finding the Fourth Proportional to 3,749.05, 5,623.80 and 1,898.02

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Solution

The fourth proportional to 3,749.05, 5,623.80 and 1,898.02 is: 2,847.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.05 : 5,623.80 = 1,898.02 : x
  2. Step 2: Convert to fraction form
    3,749.05/5,623.80 = 1,898.02/x
  3. Step 3: Cross multiply
    3,749.05x = 5,623.80 × 1,898.02
  4. Step 4: Simplify right side
    3,749.05x = 10,674,084.88
  5. Step 5: Solve for x
    x = 10,674,084.88/3,749.05
  6. Step 6: Final answer
    x = 2,847.14

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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.