Home / 1,811.32-2,718.89-1,604.43

Finding the Fourth Proportional to 1,811.32, 2,718.89 and 1,604.43

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Solution

The fourth proportional to 1,811.32, 2,718.89 and 1,604.43 is: 2,408.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.32 : 2,718.89 = 1,604.43 : x
  2. Step 2: Convert to fraction form
    1,811.32/2,718.89 = 1,604.43/x
  3. Step 3: Cross multiply
    1,811.32x = 2,718.89 × 1,604.43
  4. Step 4: Simplify right side
    1,811.32x = 4,362,272.69
  5. Step 5: Solve for x
    x = 4,362,272.69/1,811.32
  6. Step 6: Final answer
    x = 2,408.34

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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.