Home / 1,918.61-2,872.83-1,546.43

Finding the Fourth Proportional to 1,918.61, 2,872.83 and 1,546.43

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Solution

The fourth proportional to 1,918.61, 2,872.83 and 1,546.43 is: 2,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918.61 : 2,872.83 = 1,546.43 : x
  2. Step 2: Convert to fraction form
    1,918.61/2,872.83 = 1,546.43/x
  3. Step 3: Cross multiply
    1,918.61x = 2,872.83 × 1,546.43
  4. Step 4: Simplify right side
    1,918.61x = 4,442,630.50
  5. Step 5: Solve for x
    x = 4,442,630.50/1,918.61
  6. Step 6: Final answer
    x = 2,315.55

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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.