Home / 1,895.70-2,839.20-1,124.58

Finding the Fourth Proportional to 1,895.70, 2,839.20 and 1,124.58

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Solution

The fourth proportional to 1,895.70, 2,839.20 and 1,124.58 is: 1,684.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.70 : 2,839.20 = 1,124.58 : x
  2. Step 2: Convert to fraction form
    1,895.70/2,839.20 = 1,124.58/x
  3. Step 3: Cross multiply
    1,895.70x = 2,839.20 × 1,124.58
  4. Step 4: Simplify right side
    1,895.70x = 3,192,907.54
  5. Step 5: Solve for x
    x = 3,192,907.54/1,895.70
  6. Step 6: Final answer
    x = 1,684.29

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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.