Home / 2,889.25-4,330.18-1,408.82

Finding the Fourth Proportional to 2,889.25, 4,330.18 and 1,408.82

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Solution

The fourth proportional to 2,889.25, 4,330.18 and 1,408.82 is: 2,111.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.25 : 4,330.18 = 1,408.82 : x
  2. Step 2: Convert to fraction form
    2,889.25/4,330.18 = 1,408.82/x
  3. Step 3: Cross multiply
    2,889.25x = 4,330.18 × 1,408.82
  4. Step 4: Simplify right side
    2,889.25x = 6,100,444.19
  5. Step 5: Solve for x
    x = 6,100,444.19/2,889.25
  6. Step 6: Final answer
    x = 2,111.43

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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.