Home / 1,923.01-2,889.44-1,869.49

Finding the Fourth Proportional to 1,923.01, 2,889.44 and 1,869.49

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Solution

The fourth proportional to 1,923.01, 2,889.44 and 1,869.49 is: 2,809.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.01 : 2,889.44 = 1,869.49 : x
  2. Step 2: Convert to fraction form
    1,923.01/2,889.44 = 1,869.49/x
  3. Step 3: Cross multiply
    1,923.01x = 2,889.44 × 1,869.49
  4. Step 4: Simplify right side
    1,923.01x = 5,401,769.84
  5. Step 5: Solve for x
    x = 5,401,769.84/1,923.01
  6. Step 6: Final answer
    x = 2,809.02

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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.