Home / 2,123.11-3,184.65-1,849.39

Finding the Fourth Proportional to 2,123.11, 3,184.65 and 1,849.39

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Solution

The fourth proportional to 2,123.11, 3,184.65 and 1,849.39 is: 2,774.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123.11 : 3,184.65 = 1,849.39 : x
  2. Step 2: Convert to fraction form
    2,123.11/3,184.65 = 1,849.39/x
  3. Step 3: Cross multiply
    2,123.11x = 3,184.65 × 1,849.39
  4. Step 4: Simplify right side
    2,123.11x = 5,889,659.86
  5. Step 5: Solve for x
    x = 5,889,659.86/2,123.11
  6. Step 6: Final answer
    x = 2,774.07

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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.